Possible malfunctions of the ZMZ-4062 engine. GAZ 3110 Volga

Causes

Not for various reasons. Some of them are related to the time of year, while others are related to wear and tear. This problem can also be caused by the negligence of drivers who are careless about the maintenance of the power unit.

So, if not, there may be several reasons:

• malfunction of fuel system components;
• problem in valves and cylinders;
• malfunctions in the ignition system;
• breakdowns in the starter and battery;
• air supply;
• sensors and control unit.

The car doesn’t start well when it’s hot: we look for and fix the problem

Modern cars are gradually moving from the concept of mechanisms to the concept of organisms. This is a highly complex system that requires ideal operating conditions. High engine power, squeezing everything that can be squeezed out of technology, and other features of the modern automobile industry indicate that modern cars must receive maximum care in order to work for a long time. One of the common problems that arise from improper car care is poor engine starting after it warms up. This means that if you park for a few minutes near the store, you will not be able to start the engine properly. The problem lies in two possible types of breakdowns, but there are also extraordinary cases. Today we will deal with the most common problems in this case, and also talk about specific types of problems.

It should be noted that the symptoms of poor hot starting can manifest themselves in different ways. One car refuses to start at all until the engine cools down a certain amount. Another power unit starts only on the third or fourth try, and the third one simply has to be cranked for a long time to start. In any case, no matter what happens to your car in this context, you need to find the problem and be sure to fix it. This task is a harbinger of more serious breakdowns, the repair of which will cost you much more money. So let's figure out why the car doesn't start well when it's hot.

Bad fuel or presence of additives in the fuel mixture

Low-quality gasoline or diesel fuel is one of the most common variants of this problem. But in this case, you can conduct an experiment that will show the true problem of your car. The fact is that low-quality fuel with a poor start when hot will have an even more unpleasant effect when starting the engine when cold. Therefore, it is enough to cool the car, wait for the engine to return to normal and start it. The following problems may also occur with fuel:

• Gasoline or diesel fuel may contain an additive that your engine does not accept;
• diesel fuel has frozen and acquired a jelly-like form, which is difficult to pump;
• there are solid particles in gasoline, the filters are clogged, and it is difficult for the pump to pump the required amount of fuel;
• the settings of the engine control system and air supply have gone wrong, one of the valves may have broken;
• the idle air valve, as well as the mass air flow sensor (mass air flow sensor) can cause such problems;
• It’s just a functional feature of carburetor engines – a very hot unit has difficulty starting.

Fuel cells

It is worth understanding that almost all elements affect the starting of the motor. For example, since the Gazelle was produced both with carburetor and injection, the injection elements will be different. This means that the reasons for possible breakdowns will not be the same.

The Gazelle-406 engine is an injection version of the vehicle. It has injectors installed, which can be the source of the problem. If cleaning has not been carried out, then most likely the injectors are dirty. To fix this, you need to remove the parts from the machine and send them for cleaning. If, during the process of restoring the functionality of the injectors, it turns out that the product cannot be repaired, then it must be replaced.

A fuel pump malfunction may be due to a breakdown inside the module. To check whether the pump is pumping, you need to get behind the wheel of the car and turn the ignition key to the second position. In this case, a characteristic noise should begin from behind, which will mean that the pump is in working condition.

Particular attention should be paid to the condition of the fuel filter. According to the service manuals and recommendations of the manufacturer, the fuel filter element must be changed every 40,000 km. If this is not done, the filter becomes clogged and does not allow fuel to pass through properly, which results in a lean mixture in the cylinders, or gasoline does not get in for ignition at all.

Battery problems

If it is impossible to start the power unit of a Gazelle Next car, it is first of all important to check the battery charge. When the battery is discharged, the starter assembly is unable to reach a sufficient crankshaft speed to catch the engine. The nominal speed at which the diesel starts is in the range from 150 to 200 rpm.

The reason why the starter turns poorly may be the poor condition of the battery terminals. During operation, they oxidize and their electrical conductivity decreases. This causes an increased voltage drop in the on-board network when the starter motor is connected. To solve the problem with oxides, you need to clean them. After this, the terminals are coated with conductive lubricant.

If the battery is discharged, you can start the car using a pushrod. It is not advisable to use this method often. With such a launch, increased loads on the transmission and power unit occur. The following ways to start a car are more rational:

• start using ROM;
• recharge the original battery with a nominal or increased current;
• “light” from another vehicle.

If the battery discharge occurs once or after forgetting to turn off the load, for example, the cabin lighting, then the battery should be charged and not attach much importance to the incident, continuing normal operation of the machine. If there is repeated, frequent loss of charge from the power source, the battery is subject to diagnostics.

If the diagnostics showed that the battery is working properly, but it still runs out quickly, then the problem should be looked for in the Gazelle Next on-board network. It needs to be checked for short circuits and high leakage currents. If they are detected, you should immediately begin troubleshooting. Otherwise, the risk of a car fire increases significantly.

If the case is damaged, electrolyte may partially or completely leak out of the battery cans. This leads to loss of original characteristics such as inrush current and rated charge. To monitor the condition of the battery, it is necessary to visually inspect the case for defects. If they are detected, the decision on further actions is made depending on the degree of damage and the age of the battery.

The main problem of a diesel engine is its strong sensitivity to lower ambient temperatures. In cold weather, not only does the viscosity of the lubricant increase, but the fuel also thickens. In this case, the temperature of the working mixture decreases.

The overlap of the above facts significantly complicates the ability to start a Gazelle Next. At negative temperatures, it is considered normal not to start the first time. After an unsuccessful attempt, you must maintain an interval of 20-30 seconds. At this time, a chemical reaction will occur in the battery. You can start troubleshooting only if the car does not start after 3-4 attempts.

The decompressed engine will start on the remaining cylinders. It should be allowed to run to nominal temperature. Next, the power unit should be turned off and the injectors should be returned to their place. After this, the engine starts easily when hot, despite the negative ambient temperature.

An alternative to the above method of starting in cold weather is the use of special aerosols. Their chemical composition is flammable. Special agents are introduced into the air filter pipe. They should be sprayed immediately before starting the power unit.

Valves and cylinders

Quite a few motorists monitor the condition of the power unit. As you know, wear and tear does not spare anyone or anything, and accordingly, burnout of valves and pistons can lead to the fact that at first the engine begins to start poorly, and then stops altogether.

The second nuance is the high degree of wear of the valves, which is why they do not fit tightly to the seats. Gasoline drips through the cracks into the cylinders. It turns out that there is an overflow of fuel, and since the spark plugs are filled, the power plant does not start due to the lack of a spark.

see also

Comments 23

shoots into the launcher when the mixture is still lean

The valve timing marks were set incorrectly

YES, IT STARTED, but it runs on gasoline and on gas it shoots into the intake manifold. and the car quickly heats up and gases go into the exhaust tank. although the head was milled along the plane and measured...

also won't start after repair, only 402

and after starting the engine, dial from 1000 to 2700 rpm in 15 seconds, 3-4 times, to expel the air from the hydraulic compensators, then the engine will start to whisper, well, if you assembled it well))) on the first start there is usually noise

The high voltages may not have been attached correctly

look at the correct connection of the armored vehicles to the kateshkoh, it was like this

if there are pops, check the phases. They were right about the damper. and are all sensors connected?

and the wires are the same as 406 1-4 and 2-3

This can happen even if the car has been parked for a long time, it’s a fact

pull it in tow, the hydraulic compensators have lost oil and the clearance on the valves is completely different, or even there is no compression at all, pull it in 2nd-3rd gear for 700-1000 meters, the compensators will pick up oil and everything will fall into place, compression will appear in time

very good advice! There are no words for it!

pull it in tow, the hydraulic compensators have lost oil and the clearance on the valves is completely different, or even there is no compression at all, pull it in 2nd-3rd gear for 700-1000 meters, the compensators will pick up oil and everything will fall into place, compression will appear in time

Read more: Bison battery reviews from owners

+1 There was exactly the same situation, with the same engine, we took it in tow, drove it for 300 meters, everything worked.

One day the Gazelle stopped starting? The reason lies in engine malfunctions. The problem may be related to both the mechanical part and the electrical part. To fix the problem, you will have to diagnose a number of parts.

Ignition system

Spark plugs and high-voltage wires directly affect engine starting. Accordingly, breakdowns in the elements will cause a failure of the entire system. To check spark plugs, a special stand is used, although you can check it the old fashioned way:

1. We unscrew the candle from the well.
2. We connect the armored wire.
3. Connect the spark plug body to ground.
4. We try to start the engine.

If everything is in order with the spark plugs, then there will be a spark between the contacts. If the part is faulty, then there will be no spark, and accordingly, the element must be replaced. Checking armored wires is quite simple. All elements are removed from the car and measured by a tester. The resistance on each high voltage wire should be 5 ohms.

Special cases

In addition to all of the above, other adventures happen with the Gazelle 405. Many drivers do not notice how the chain on the engine jumps. Accordingly, the engine refuses to come to life until the chain is in its place.

Read more: Honda 0w20 oil reviews

Your task is simply to open the hood and check if the chain is in order

, if not, then put it in its place. This procedure will take you 10 minutes at best, but you will be able to start your car. Otherwise, the Gazelle 405 injector does not start due to other problems.

It is quite difficult to answer this question, so we have simply listed for you several of the most common breakdown options. You can get an accurate answer only after a thorough diagnosis. It is at this stage that you can find out the reason why the car refuses to start. Therefore, do not rack your brains and better contact a car service center.

Yes, you will spend money, and most likely a lot, but at least you will be able to continue to quietly drive around in your gazelle.

Hi all . A friend has a gazelle, he capitalized on the ZMZ 405 ENGINE and is already assembling a second engine, but he has a problem. I assembled everything and connected it. it starts, it won't start, there is a popping noise in the intake manifold, what could it be? there are spark marks, I checked it twice, but there’s definitely something wrong, has anyone come across this?

The “Check” is blinking and the UMZ 4216 engine on the Gazelle Business is tripping: reasons

Owners of Gazelle Business, on which the UMZ 4216 engine is installed, have encountered a malfunction when the power unit begins to throttle, and at the same time, the “Check Engine” warning light blinks. How to fix this breakdown and what causes it.

Specifications

Before we begin to directly consider the issue of a malfunction associated with the tripping and blinking “CHECK” on the dashboard of a Gazelle Business car, it is worth considering the technical characteristics of the UMZ 4216 power unit:

Malfunction and solutions

The reasons for the occurrence of tripping and blinking “Check” are almost identical for all power units. The root cause may be improper formation of the air-fuel mixture or a breakdown in the ignition system. But, everything is in order.

Poor quality fuel

Low-quality gasoline, or in common parlance - “bad gas”, leads to the fuel supply elements becoming clogged, and the injection system itself forms a lean mixture. To diagnose and troubleshoot the problem, it is necessary to test the injectors. It is better to carry out this entire operation on a special stand. If it turns out that the elements are clogged, then we can say that the vehicle was operated on low-quality fuel.

Another reason could be a clogged fuel filter, which is recommended to be changed every 20,000 km. Also, it is worth examining the performance of the fuel pump, which may fail.

Ignition system

Breakdowns in the ignition system, namely malfunction of spark plugs, high-voltage wires and ignition coils, can lead to a tripping effect. So, you need to unscrew the spark plugs and inspect them for defects. Also, using a simple tester, measure the resistance of the high-voltage wires, which is 5 ohms.

Air supply

The formation of the air-fuel mixture is influenced by the state of the air supply. A clogged air filter element or throttle valve can cause a rich mixture, which can cause a tripping effect. To eliminate the malfunction, it is necessary to dismantle and inspect the elements.

If the air filter is clogged, it is recommended to replace it, but the throttle valve must be cleaned with a special product or liquid for cleaning carburetors.

Software problem

Repeatedly, the cause of the tripping and blinking “Check” is a malfunction of one of the sensors or accumulated errors inside the electronic engine control unit. So, it is necessary to diagnose the condition of the elements and replace damaged ones.

ECU diagnostics

In order to understand which of the sensors or components affected the unstable operation of the engine, it is worth conducting a comprehensive diagnosis of the on-board computer. This requires an OBD II cable, a tablet and laptop, and software.

It is recommended to turn to professionals for help, who will quickly and efficiently perform diagnostic operations and fix the problem.

Deciphering error codes

If the car owner nevertheless decides to fix the problem on his own, then he will need to decipher the error codes that will appear on the diagnostic computer screen. So, let's look at all the error codes and their interpretation for the UMZ 4216 engine:

Gazelle with Cummins engine does not start | causes

Sooner or later, any owner of a Gazelle Business or Next with a Cummins diesel engine may encounter a problem - the car will not start. You need to go on a flight, but the car is parked and it’s not clear what happened, because everything seemed to be fine.

What to do in this case? Let's try to understand the main reasons for this phenomenon and what needs to be done to eliminate them.

Let's say right away that we will not consider such obvious reasons as lack of fuel in the tank and a dead battery. We really hope that your driving experience is enough to independently identify and eliminate these causes.

How does a Cummins diesel engine start on a Gazelle Business and Next?

Unlike gasoline engines, where the fuel mixture of gasoline and air is ignited in the cylinders using spark plugs, on Cummins diesel engines the fuel mixture is ignited by high pressure. Fuel is supplied to the cylinders using fuel injectors, which spray it evenly throughout the combustion chamber.

Intake air heating coil

For the fuel mixture to ignite, it must be at a certain temperature. And in order for the mixture to reach the desired temperature, Cummins ISF 2.8 engines have an element called an intake air heating spiral (candle).

This engine element starts working at low temperatures. It is located in the engine intake manifold and starts working after turning the ignition key. In principle, in the summer, when it’s warm outside, you can do without this detail. But on frosty days, starting the engine with the intake air heater not working will be very problematic.

Therefore, in the cold season, the first thing you need to do is check whether the intake air heating coil is working. This is easy to do - when the spiral is running, the intake manifold should be warm.

It is necessary to inspect the contacts of the spiral and the wires going to them. It often happens that the wires simply break. But sometimes it happens that the spiral itself fails. In this case, only replacing it will help.

What to do if the Gazelle stalls while driving?

If the Gazelle stalls while driving, then the first thing you need to do is look at the fuel, or rather its supply.

It is necessary to inspect the engine compartment for fuel leaks. It happens that due to vibrations, the fixing bracket unscrews and the tube from the injection pump to the ramp bursts.

Even a small crack in the tube will be enough for the pressure in the system to drop and the engine to stop working. This phenomenon is usually accompanied by a yellow check.

If everything is in order with the tube from the injection pump to the ramp, we recommend continuing to inspect the fuel system and pay attention to the fuel filter housing. Sometimes it happens that its top cover fails and air begins to leak through it.

Clogged intake tube in the tank, air or fuel filter

Another reason that your Gazelle with a Cummins engine does not start may be a clogged fuel or air filter.

When the fuel filter is clogged, we do not receive the required amount of fuel, and when the air filter is clogged, there is correspondingly little air. If the car jerks or there are dips in dynamics, check all filters. They need to be changed at least once every 15,000 km.

The starter does not respond to turning the key

If you turn the ignition key and the starter does not respond at all, then you need to look for a problem in the wiring and power fuses. Power fuses need to be inspected and checked very carefully, because they may look intact, but in fact they are broken. To understand for sure, you need to unscrew each fuse.

Malfunctions of the engine power supply system

The engine power system directly affects the success of starting the power unit. The table below presents a list of its most typical problems.

Table Manifestation of fuel system malfunctions

Poor fuel quality affects the condition of the filter. When it becomes clogged, fuel stops flowing in the required quantity into the combustion chamber. This affects the ability to start the engine.

Dirt in the fuel also affects the injectors. Their multiplier valves are damaged in the form of scratches. After this, the mechanism stops working normally and the car will not start.