Engine 5A FE - power unit production Toyota, direct heir 4a. This motor has high specifications And there are many varieties and modifications. The use of the power unit is wide.
Specifications
Motor 5A FE is one of the most popular power aggregates Toyota produced by the company. At the beginning of production, he got a block head on 16 valves, and later the developed version was developed with a 20-valve GBC. The only difference from the standard motor is the diameter of the cylinder, which is reduced, due to which the volume of up to 1.5 liters is reduced.
Engine 5a under the hood Toyota Karinasnaya Specifications Engine 5a:
Motor modifications
Engine 5A has quite a lot of modifications that are used on different vehicles Toyota production.
Engine 5A.
- 5a-F - carburetor version, analogue 4A-F with a reduced volume. Compression ratio 9.8, Power 85 hp The engine was in production from 1987 to 1990.
- 5A-FE - an analogue 4a-Fe, represents a 5a-F with electronic fuel injection, compression ratio 9.6, power 105 hp The engine production was started in 1987, finished in 2006, after which production was transferred to FAW and now they are equipped with Chinese cars.
- 5A-FHE - version with modified GBC, other camshafts, a bit changed inlet, another exhaust manifold, power increased to 120 hp. In production was from 19891 to 1999 and put on cars for the inner Japanese market.
Service
Maintenance of the engine 5a is carried out with an interval of 15,000 km. Recommended maintenance is necessary every 10,000 km. So consider detailed technical map Services:
Motor 5A Motor Valves Adjustment
TO-1: Oil change, replacement oil filter. It is carried out after the first 1000-1500 km of run. This stage is also called the cycle, since the motor elements are triggered.
TO-2: Second maintenance after 10,000 km run. So, change again motor oil and filter, as well as an air filter element. At this stage, the pressure on the engine and the valve adjustment is also measured.
TO-3: At this stage, which is performed 20,000 km after, the standard oil replacement procedure is carried out, replacing the fuel filter, as well as the diagnostics of all motor systems.
TO-4: Fourth maintenance is perhaps the simplest one. After 300,000 km of mileage, only oil and oil filter element change.
Output
Motor 5A has sufficiently high technical characteristics. Fairly easy to maintain and repair. As for tuning, the complete bulkhead of the engine. Especially popular is the chip tuning of the power plant.
Recently on the roads Russian Federation increasingly and more often you can meet cars japanese manufacturerswho under the hood hide engines 5a. Such engines are able to deliver a lot of worries to their masters. In this regard, I would like to tell you in more detail what problems may occur during the operation of these aggregates and how to eliminate these problems.
Diagnostics and its parameters
These parameters include:
- Oxygen sensor (lambda probe)
When it breaks on the control unit "pops up" error №21. In addition, there is an increase in fuel consumption associated with the absence of heating correction. Solve the problem helps his replacement for a new one, which is very expensive. Used it is not recommended to install, as a large resource of the work, which will eventually lead to the repetition of the situation.
- temperature sensor
Its malfunction can lead to the impossibility of starting the engine to "hot" and increased fuel consumption.
- Sensor on the position of the throttle of the throttle, is called TPS sensor
When it breaks on the control unit, an error number 41 is fixed. The problems that this malfunction causes is to a greater degree of cars with automatic transmission in which incorrect gear shift occurs. In cars in a manual box, engine on high revolutions Begins to "chop up." The sensor replacement should include its setting.
- Map Sensor
The most reliable, but he also fails. When it fails, the level of CO in exhaust gases increases, "black exhaust" appears and "planting" of candles occurs.
- Knock sensor
When problems with it, an error number 52 is registered on the control unit. He manifests himself sluggish acceleration.
- Injectors
For long operation The needles and nozzles are covered with soot and resins. As a consequence - a decrease in the performance of nozzles, increased flow Fuel and tangible shaking engine. Solving the problem - setting new or restoration of old (flushing and processing).
- Candles and ignition system
Such problems are SAMIA frequent cause Appeals not only engines 5a, but also all other devices. A red flare is formed on the candlelight, as a result, the formation of sparks. The engine begins to work with interruptions, fuel consumption increases. Replacing or recovery will help solve this problem.
In addition to the above problems in engines 5A, problems can be found with the control unit, fuel filter, air filter, or other any malfunctions. Most importantly, remember if something stumbled, then you should not wait for it when it falls apart, timely appeal to the service will extend the service life of the car as a whole and the engine in particular. And it will also cost you much cheaper than, say, Richtovka and painting a car in Tolyatti. Therefore, watch your car, and he will follow your wallet.
Good day!
I decided to write a review about this wonderful car. I went to it on some pelvis, so half a year before selling seven began to squeeze the car, knew one exactly that it would be right-handed, not from the fact that there is no money, but from the fact that simply like this car. On the market, served once behind the wheel of this car, I realized that it would be Marino. Accuming some money began the choice of a car, I went looked around, in the area 140000-160000 rubles, but there was nothing normal, I began to upset, but here I go to the car. The ru and here it costs, just added to the obyava, I immediately call, agreed to meet, I looked at a little bit of mint. The door, in Dvigla, the owner said that she eats 1l oil per 10,000. It seems to be arranged. The final price was 120000 rubles. (Mileage at that time was 208,000 km). All take. The owner asked to pick her up in 3 days when he would give Mazda 6 from the salon, I say ok, the guy like so nothing. As a result, the day before picking it, he calls me at 7 am ...... I immediately realized that something was wrong, I fell to Telephone: He says he got on her in an accident ......... ml * I sat down. Okay, I say that I will meet with hot chime in the evening and look at her.
As a result, the alignment of such. Repair hood + painting, replacement front bumper, front right headlight + turn signal and acc. The wing, shorter says it will give it for 108,000 rubles. And I really liked the car, I say. I drove to him Mazda, I drove up to him on the tram, he sat down for his new one, and I got the first time in my life for the staff and went to the traffic police to shoot it from the metering ... .. Guys those feelings I could not pass, I can't drive like me , I just finished finished when I was driving ....... Kayf. Everything is easy, automatic transmission is a wahoo ... Brakes, everything is so thought out, comfortable and good. But now she is mine, put on account. Bought a headlight, wing, bumper. The wing set and here everything else I think later I put and praurally did that I did not immediately shine everything. I'm going home from work here, burns green lightI'm starting to cross the crossroads and I get my strip into a plug, respectively, so far everything is resolved, my yellow-red lights up, but in the middle of the intersection, I'm missing 3 rows, I start passing about ...... I get enough swipe In that right side in front, right at that wing that I put it ... .. Everything I think PPC.
We leave, we look at your cars and what was my surprise when I saw who I stood out, there is a handsome man in my right side Toyota Ceres (who does not know this twin Marino) shorter wing again na, even stronger bumper, and the door, that by the way was Mint (yes, when selling the owner I gave me the door to color), the wheel folded, in short, I got up .... GAI, insurance + a lot of hemorrhoids. As a result, I did not wait for the insurance, because I'm very good. I wanted to ride. What had to be changed to be on the go. Per. Right rack and all + gathering collapse (strong cars) It cost me 3000 rubles, prada took a rack b. at what then regretted. Accordingly, another wing. The front chased himself with a friend in the garage, a quiet, everything is easy and simple. And now my marinka is located with a normal less hood, the wing of the header and the bumper. Until now, really did not paint, I'm going to do this other day. Drived on her about 16,000 km. During this time, the oils and the thermostat, he drove only big circle, Term. was + replacement 300 rubles.
Then he decided to clean the nozzles (I don't know why I didn't know, I just wanted) Well, I cleaned, in the end I destroyed ceramics and Forsa came Cayuk, became Pts. Poor to start. I solved this question with replacing them, bought on the analysis from an acquaintance for 1500 rubles 4 nozzles with RamMoy. Changed and everything is OK, like new. From other investments there was no nothing. Only here is the rack that I am with hot put it was killed, so the replacement of per amortists is nearing., I will put on the oil to Cokico for 1600 per piece, I think is not so expensive.
In general, the car is good, I'm not tightened at 140-150, it keeps the road perfectly, the only shine of the wheeled arches is not ahti, but this is excusable. In the cabin, it is convenient, I am the growth of a small 170, so they can easily sit behind me. 1. 5 is good enough, not to compare with our car, you also live automatic transmission. Suspension gas, hard enough, so before as I wrote to put oil. Bad regular light, so put xenon, much better. In general, the car did not let down if not counting my stupidity with nozzles and an accident. It always starts and goes there, where it is necessary to do without problems and in winter and now in warm weather, there is an inclusion and Popper without any problems that you will not reach. The advice chooses the car, the car is good to take, it is very cheap and unpretentious by service, eats little. Well, in principle and everything.
Board buyer:
Take the machine worth it.
In 1987, the Japanese cargoant Toyota began to release a new series of engines for passenger carswhich was called "5A". The production of the series continued until 1999. The Toyota 5A engine was produced in three modifications: 5A-F, 5A-FE, 5A-FHE.
The new engine 5a-Fe had a gas distribution mechanism, which provided for 4 valves per cylinder, according to the DOHC scheme, that is, an engine equipped with two camshafts in the Double Overhead Camshaft block head, where each camshaft drives its range of valves. With such a device, one camshaft Moves two inlet valve, the other is two graduation. Valve drive is usually pushed. DOHC scheme in the Toyota 5a series engines allowed to significantly increase their power.
Second generation of Toyota 5A series engines
An enhanced version of the engine 5a-F was the second generation engine 5a-Fe. The Toyota designers thoroughly worked on the improvement of the fuel injection system, as a result, the updated version of 5a-Fe was equipped with an EFI Electronic Fuel Injection electronic injection system.
| Volume | 1.5 liters. |
| Power | 100 hp |
| Torque | 138 N * m at 4400 rpm |
| Diameter of the cylinder | 78.7 mm |
| Piston move | 77 mm |
| Cylinder block | cast-iron |
| Head block cylinder | aluminum |
| Gas distribution system | Dohc. |
| Type of fuel | petrol |
| Predecessor | 3A |
| Successor | 1NZ. |
Engines modifications Toyota. 5A-Fe equipped Cars of Classes "C" and "D":
| Model | Body | Of the year | Country |
|---|---|---|---|
| Carina. | AT170. | 1990–1992 | Japan |
| Carina. | AT192. | 1992–1996 | Japan |
| Carina. | AT212 | 1996–2001 | Japan |
| Corolla | AE91 | 1989–1992 | Japan |
| Corolla | AE100. | 1991–2001 | Japan |
| Corolla | AE110 | 1995–2000 | Japan |
| Corolla Ceres. | AE100. | 1992–1998 | Japan |
| Corona. | AT170. | 1989–1992 | Japan |
| Soluna. | AL50. | 1996–2003 | Asia |
| Sprinter. | AE91 | 1989–1992 | Japan |
| Sprinter. | AE100. | 1991–1995 | Japan |
| Sprinter. | AE110 | 1995–2000 | Japan |
| Sprinter Marino. | AE100. | 1992–1998 | Japan |
| VIOS. | AXP42. | 2002–2006 | China |
If we talk about the quality of the design, it is difficult to find a more successful motor. At the same time, the engine is very maintainable and does not deliver difficulty car owners with the acquisition of spare parts. The Japan Japanese-Chinese enterprise Toyota and Tianjin Faw Xiali in the PRC still produce this engine for their small vela and Weizi cars.
Japanese engines in the Russian conditions
5A-FE under the hood Toyota Sprinter
In Russia, owners toyota cars different models 5a-FE modification engines give a generally a positive assessment operational characteristics 5a-Fe. According to them, the resource 5a-Fe is up to 300 thousand km. Run. With further operation, problems with oil consumption begins. Masonry caps should be replaced by mileage in 200 thousand km, after that the replacement should be made every 100 thousand km.
Many Toyota owners with 5a-Fe motors face a problem manifested in the form of tangible failures on the average engine speed. This phenomenon, according to specialists, is caused by either poor-quality Russian fuel or problems in the system of nutrition and ignition.
Subtleties of repair and purchase of a contract motor
Also during the operation of Motors 5a-Fe, small disadvantages are identified:
- the engine has a location to high wear of the camshaft beds;
- fixed piston fingers;
- difficulties sometimes arise with adjustment of gaps in the inlet valves.
But, overhaul 5A-Fe is a rather rare phenomenon.
If you need to replace the whole motor, on russian market Today you can easily find contract Engine 5A-FE in a very good condition and at an affordable price. It is worth explaining that the contracts are customary to call engines that were not exploited in Russia. Speaking of Japanese contract motors, It should be noted that in most people they have a small mileage and comply with all the requirements of the manufacturer in relation to maintenance. Japan has long been considered to be the worldwide renewal model Row cars. Thus, there are many cars, which have a fair supply of operation of the resource of operation.
The most common and widely repaired from Japanese engines is the engines of the series (4,5,7) A- Fe. Even a novice mechanic, the diagnost knows about possible problems engines in this series. I will try to highlight (assemble in a single integer) the problems of these engines. They are not much, but they deliver a lot of trouble to their owners.
Sensors.
Oxygen sensor - lambda probe.
The "oxygen sensor" is used to fix oxygen in exhaust gases. His role is invaluable in the process of fuel correction. Read more about sensor problems in article.
Many owners appeal for diagnosis due to increased fuel consumption. One of the reasons is a banal intro heater in the oxygen sensor. The error is fixed by the code control unit number 21. Checking the heater can be carried out by a conventional tester on the sensor contacts (R-14 Ohm). Fuel consumption increases due to the absence of fuel correction when warming up. You will not be able to restore the heater - only the sensor replacement will help. The cost of the new sensor is large, and the b \\ y does not make sense (the resource of their developments is great, so this is a lottery). In such a situation, as an alternative, you can set no less reliable universal NTK sensors, Bosch or original DENSO.
The quality of the sensors is not inferior to the original, and the price is significantly lower. The only problem may become proper connection Sensor conclusions. Print the sensor sensitivity to reduce the fuel consumption (by 1-3l). The performance of the sensor is checked by an oscilloscope on the block diagnostic connectoror directly on the sensor's chip (switching number). Sensitivity drops in poisoning (pollution) of the sensor with combustion products.
Engine temperature sensor.
"Temperature sensor" is used to register the temperature of the motor. If the owner's sensor is incorrect operation, there is a lot of problems. When the sensor measuring member is cut, the control unit replaces the sensor readings and fixes its value of 80 degrees and fixes the error 22. The engine, with such a malfunction, will work in normal mode, but only until the engine is heated. As soon as the engine cools, run it is problematic without doping, due to the small opening of the injectors. There are cases when the resistance of the sensor is chaotically changed when the engine is running on H.H. - The turnoves will float. This defect is easy to fix on the scanner, watching the temperature indication. On the heated engine, it should be stable and not changed chaotic values \u200b\u200bfrom 20 to 100 degrees.
With this defect of the sensor, "black caustic exhaust" is possible, unstable work on H.H. And, as a result, increased consumption, as well as the impossibility of running a heated motor. Run the motor will be obtained only after 10 minutes of sludge. If there is no complete confidence in the proper operation of the sensor, its readings can be replaced by turning on its chain with a variable resistor 1c, or permanent 300, for further verification. By changing the sensor readings, the change in revolutions is easily controlled at different temperatures.
Throttle position sensor.
Position sensor throttle valve Shows on-board computer In what position is the throttle.
A lot of cars took place a procedure for assembling disassembly. These are the so-called "designers". When removing the engine in the field and the subsequent assembly suffered sensors to which the engine often lean. When the TPS sensor faults, the engine stops normally throttling. The engine when the rotation set is chopped up. The machine switches incorrectly. An error 41 is fixed by the control unit. When replacing a new sensor, you must configure that the control unit correctly seen a sign of H.H., with a fully released gas pedal (closed throttle). In the absence of a sign of idling, there will be no adequate control of H.H., and there will be no mode of forced idling when the engine is braked, which will again entail an increased fuel consumption. On the engines 4a, the 7a sensor does not require adjustment, it is installed without the possibility of adjusting. However, in practice, it is not uncommon for cases of bending a petal that moves the sensor core. There is no sign of x / x. Adjusting the correct position can be carried out using a tester without the use of the scanner- on the basis of idling.
Throttle Position ...... 0%
Idle Signal .................. .on
Absolute Pressure Sensor Map
The pressure sensor shows the computer a real discharge in the collector, according to its indications the composition of the fuel mixture is formed.
This sensor is the most reliable, of all installed on Japanese cars. The reliability is simply striking. But and his share has a lot of problems, mainly due to improper assembly. It is either a receiving "nipple", and then seal with glue any passage of air, or disrupt the tightness of the supply tube. In such a break increases the fuel consumption, the level of CO in the exhaust of up to 3% is easily observed to observe the operation of the sensor on the scanner. The INTAKE Manifold line shows the discharge in the intake manifold, which is measured by the Mar sensor. When the ECU wiring breakages the error 31. At the same time, the opening time of injectors up to 3.5-5ms increases sharply. In the penitz, black exhaust appears, candles are planted, shaking appears on H.H. And engine stop.
Knock sensor.
The sensor is set to register detonation stuffs (explosions) and indirectly serves as a "corrector" of the ignition advance angle.
The registering element of the sensor is Punoplastin. If the sensor malfunction, or the wiring break, on the passages over 3.5-4 tons. ECU turns fixes the error 52. It becomes intimidating when acceleration. You can check the performance by an oscilloscope, or, measuring, resistance between the sensor output and the housing (if there is resistance, the sensor requires replacement).
Crankshaft sensor.
The crankshaft sensor generates pulses by which the computer calculates the speed of rotation crankshaft Engine. This is the main sensor for which all the operation of the motor is synchronized.
On the 7a series engines set the crankshaft sensor. An ordinary inductive sensor is similar to the ABC sensor, and practically sureless in operation. But confusions happen. With interstitious closure inside the winding, a disruption of the generation of pulses on certain revolutions occurs. This is manifested as a limit of engine speed in the range of 3.5-4 tons. Revolutions. A peculiar cut-off, only on low revs. Detect the intersensile closure is quite difficult. The oscilloscope does not show a decrease in the amplitude of the pulses or the frequency change (during acceleration), and the tester notice the changes in the shares of Ohm is quite difficult. If the symptoms occur the revolutions limit on 3-4 thousand, simply replace the sensor on knowingly serviceable. In addition, a lot of trouble gives damage to the masterful crown, which breaks mechanics, producing work on the replacement of the front oscillation of the crankshaft or the timing belt. To break the trunk of the crown, and restoring them with welding, it seems only the visible absence of damage. The crankshaft position sensor ceases to adequately read the information, the ignition advance angle begins to change chaotically, which leads to loss of power, unstable work Engine and increase fuel consumption.
Injectors (nozzles).
Injectors are electromagnetic valveswhich injected fuel under pressure in the intake manifold engine. Manages the operation of the engine injectors -computer.
With many years of operation, the nozzles and needles of the injectors are coated with resins and gasoline dust. All this naturally disrupts the correct spray and reduces the performance of the nozzle. With severe contamination, there is a tangible engine shaking, fuel consumption increases. Determine the accuracy really, by conducting gas analyzes, according to the testimony of oxygen in the exhaust, one can judge the correctness of the pouring. The testimony over one percent will indicate the need for washing injectors (when proper installation Timing and normal fuel pressure). Either by installing injectors on the stand, and checking the performance in tests, in comparison with the new injector. The nozzles are very effectively cleaning the laurel, Vince, both at installations for non-bleed washing and in ultrasound.
Idling valve.iac
The valve is responsible for engine speed in all modes (heating, idling, Load).
During operation of the valve petal, the stem is contaminated and occurs. Turns hang on warming up either on H.H. (due to the wedge). Tests for changing revolutions in scanners when diagnosing this motor not provided. You can estimate the performance of the valve by changing the temperature sensor readings. Enter the engine to "Cold" mode. Or, removing the winding from the valve, to twist over the valve magnet. Singing and wedge will be tangible immediately. If it is impossible to easily dismantle the valve winding (for example, on the GE series), you can check its performance by connecting to one of the control outputs and measuring, the diversity of the pulses, while simultaneously controlling the revolutions of H.H. and changing the load on the engine. On a fully heated engine, the unit is approximately 40%, changing the load (including electrical consumers), you can estimate an adequate increase in revolutions in response to a change in duty. With a mechanical valve jamming, a smooth extension of the duty is occurring, not entailing the change in the revolutions of H.H. You can restore the work. Cleaning the Nagar and the dirt of the carburetor cleaner when the winding is removed. Further adjustment of the valve is to install H.Kh. On a completely warm engine, rotation of the winding on the mounting bolts, the table revolutions are achieved for this type of car (on the tag on the hood). After setting the E1-TE1 jumper into the diagnostic shoe. On more "young" engines 4a, 7a valve has been changed. Instead of the familiar two windings in the body of the valve winding, installed a chip. Changed the nutrition of the valve and the color of the winding plastic (black). It is noiencies to measure the resistance of windings on the conclusions. The valve is supplied and the control signal of the rectangular shape of the variable duty. For the impossibility of removing the winding, a non-standard fastener was installed. But the problem of the rod wedge remains. Now, if you clean the usual cleaner, the lubricant is washed out of the bearings (the further result is predictable, the same wedge, but already due to the bearing). It is necessary to completely dismantle the valve from the throttle block and then wash the rod with petal carefully.
Ignition system. Candles.
A very large percentage of cars comes to service with problems in the ignition system. When operating on low-quality gasoline, the ignition candles suffer primarily. They are covered with a red raid (ferry). There will be no qualitative sparking with such candles. The engine will work with interruptions, with skipping, increases fuel consumption, the level of CO in the exhaust increases. Sandblasts are unable to clean such candles. Only chemistry will help (a couple of hours) or replacement. Another problem increases the gap (simple wear). Drying rubber tips of high-voltage wires, water that fell when washing the motor, provoke the formation of a conductive path on rubber tips.
Because of them, sparking will not be inside the cylinder, and outside it. With a smooth throttling, the engine works stably, and with a sharp - a crusher. With this position it is necessary to replace both the candles and wires. But sometimes (in field conditions) If the replacement is impossible, you can solve the problem with a conventional knife and a piece of sandy stone (shallow fraction). I cut a knife with a conductive path in the wire, and with a stone remove the strip from the candle ceramics. It should be noted that it is impossible to remove the rubber band from the wire, this will lead to the complete inoperability of the cylinder.
Another problem is related to the wrong procedure for replacing candles. The wires with power are pulling out of the wells, pulling the metal tip of the occasion. With such a wire, ignition passages and floating turns are observed. When diagnosing the ignition system, you should always check the ignition coil on the high-voltage discharge. The simplest check - on the engine running engine, see the spark on the discharge.
If the spark disappears or becomes a filamental - this indicates an intersless closure in the coil or on the problem in high-voltage wires. Cutting the wires check the test tester. The small wire is 2-3k, further to the magnification is long 10-12. The resistance of the closed coil can also be checked by the tester. The resistance of the secondary winding of the coil bit will be less than 12.
Next generation coils (remote) are not suffering such a few (4a.7a), their refusal is minimal. Proper cooling And the thickness of the wire was excluded this problem.
Another problem is the current seal in the distributor. Oil, falling on the sensors, corrosive insulation. And when exposed to high voltage, the slider is oxidized (covered with a green bloom). Corner zaks. All this leads to the breakdown of spar formation. In motion there are chaotic strips (in the intake manifold, in the muffler) and crushing.
Thin malfunctions
On the modern engines 4a, 7a Japanese changed the firmware of the control unit (apparently for more quick warm warming engine). The change lies in the fact that the engine reaches the turns of H.X.This at a temperature of 85 degrees. Also changed the design of the engine cooling system. Now the small circle of cooling intensively passes through the block of the block (not through the nozzle behind the engine, as before). Of course, the cooling of the head became more effective, the engine in general became more efficient. But in winter, with this cooling, when moving, the temperature of the engine reaches a temperature of 75-80 degrees. And as a result, permanent warming turns (1100-1300), increased fuel consumption and nerve owners. You can fight this problem, or the engine is stronger than the engine, or by changing the resistance of the temperature sensor (deceiving the ECU) or replacing the thermostat for the winter with a higher discovery temperature.
Butter
The owners pour oil into the engine without a special parsing without thinking about the consequences. Few understanding that different types Oils are not compatible and for mixing form an insoluble porridge (coke), which leads to the complete destruction of the engine.
All of this plasticine cannot be washed into chemistry, it is cleaned only by mechanical way. It should be understood if the old oil is unknown, it should be used before changing. And another advice to the owners. Pay attention to the color of the handle oil affection. It is yellow. If the color of the oil in your engine is darker color handles - it's time to replace, and not wait for the virtual mileage recommended by the manufacturer of the engine oil.
Air filter.
The most inexpensive and easily accessible element is an air filter. Owners very often forget about his replacement, without thinking about the likely increase in fuel consumption. Often, due to the scored filter, the combustion chamber is very polluted by oil burnt sediments, valve, candles are strongly polluted. Diagnosis can be mistakenly assumed that all wines siloslets Kolpacchkov, But the root cause is a scored air filter, which increases with dirt discharge in the intake manifold. Of course, in this case, the caps will also have to change.
Some owners do not even notice about accommodation in the building air filter garage rodents. What speaks of their complete emptying to the car.
Fuel filter also deserves attention. If it does not replace it in time (15-20 thousand run) the pump begins to work with overload, pressure drops, and as a result, the need to replace the pump. Plastic details The impeller pump and the check valve are prematurely wearing.
Pressure drops. It should be noted that the operation of the motor is possible at a pressure of up to 1.5 kg (with a standard 2.4-2.7 kg). Upon reduced pressure, there are permanent strips in the intake manifold Running problem (in terms of). The thrust is noticeably reduced. The pressure check is properly produced by a manometer (access to the filter is not difficult). In the field, you can use the "pouring test from the return". If during the operation of the engine in 30 seconds from the gasoline, the gasoline is less than one liter flows, one can judge reduced pressure. It is possible for indirect determination of the pump performance to use an ammeter. If the current consumed by the pump is less than 4amper, then the pressure is seized. You can measure the current on the diagnostic shoe. 
When using the modern tool, the filter replacement process takes no more than half an hour. Previously, it took a lot of time. Mechanics always hoped in case they were lucky and the lower nozzle did not fit. But often it happened. I had to break your head for a long time, how to hook a rolling nut of the lower fitting. And sometimes the filter replacement process turned into a "film" with the removal of the tube applying to the filter. Today, no one is afraid of this replacement.
Control block.
Until 98 years of release, the control blocks did not have enough serious problems When operating. Repair blocks accounted for only due to tough ransom. It is important to note that all conclusions of the control unit are signed. It is easy to find the required sensor output on the board to check or wire transversions. Details are reliable and stable at low temperatures.
In conclusion, I would like to stop a little on gas distribution. Many owners "with hands" procedure for replacing the belt are performed independently (although it is not correct, they cannot properly tighten the crankshaft pulley). Mechanics produce a high-quality substitution for two hours (maximum) when the valve belt breaks are not found with the piston and the fatal destruction of the engine does not occur. Everything is designed to smallest things.
We tried to tell about the most frequently arising problems on the engines of this series. The engine is very simple and reliable and subject to very tight operation on "water - iron gasolines"And the dusty roads of our Great and Mighty Motherland and the" Avosny "mentality of the owners. All mockery, he still continues to delight his reliable and stable workBy won the status of the most reliable Japanese engine.
Vladimir Bacrenev Khabarovsk.
Andrei Fedorov, Novosibirsk.
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