Volvo XC90 Fault Code System Over dilute Cylinder Group 2

When the fuel injector fails, it will lead to an increase in carbon deposition in the engine, unstable idling, increased fuel consumption, weak acceleration, difficult starting, excessive emissions, etc., and in serious cases, it will cause the fuel injector to be blocked, and then damage the engine.

The injector is a simple solenoid valve. When the solenoid coil is energized, a suction force is generated, the needle valve is sucked up, and the nozzle hole is opened. The fuel is sprayed at high speed through the annular gap between the shaft needle and the nozzle hole at the head of the needle valve, forming a mist, which is conducive to full combustion.

As one of the key components of the EFI engine, the fuel injector will seriously affect the performance of the engine.

The reason for the blockage is that the carbon deposits in the engine are deposited on the injector, or the impurities in the fuel block the injector channel, and the injector is blocked, pay attention to the following points;

First, don't coax the throttle with a big foot, especially if the fuel injector is blocked, which will cause the fuel injector to be completely damaged.

Second, the fault light is not good for a long time, and the fault light will be reported after a certain number of times, indicating that the car is not burning well before, which may be oil or oil deterioration and there is no good fuel to burn.

Third, in the case that the oil circuit is not cleaned and improved, cleaning the throttle will lead to increased air intake, thinning of the mixer, and the vehicle will shake at idle, and the throttle will be channeled.

Fourth, repairing a car does not mean that it will be good, and repairing it may aggravate problems in other places. This is normal and requires the use of elimination.

Fifth, in the case of poor combustion, shaking, and scurrying, the first thing to clean the oil circuit is, and not to rush to replace the accessories.

This is very easy to deal with, encounter such a fault code, after the detection, it has been determined that the fuel injector is blocked, then the traditional way is to disassemble the fuel injector to replace, not to mention the replacement of the labor costs, we will say the reason for this, we have to first figure out why it will be blocked, will be after the replacement, to avoid the later blockage, after all, the replacement cost is very high, you replace the plug again, is it to consume a lot of cost.

There are two types of blockage, one is the external blockage caused by ash and carbon deposits on the outside of the fuel injector in the combustion chamber, and the other is the internal blockage caused by the oil in the oil circuit. Both of these blockages can be cleaned and unblocked by PNF additives, which are non-corrosive and do not hurt the car. But be sure to use effective additives.

Don't wait for the car to have a problem before thinking about changing the parts, the cost outweighs the loss.

Hello, the concentration of the system is too thin, it may be the air intake system leakage, the air flow meter is malfunctioning! The fuel injector is clogged and the fuel pressure is insufficient! Faulty water temperature sensor, leaking exhaust pipe, faulty air-fuel ratio sensor, or short circuit open circuit!

Ignition system and fuel injection problems.

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Information about Volvo

The Volvo Group is headquartered in Gothenburg, Sweden, and is listed on the Nordic** trading market in Stockholm, Sweden. As Sweden's largest industrial conglomerate, Volvo has production sites in more than 20 countries and operates in more than 190 markets, with customers in Europe, Asia and the Americas. Approximately 115,000 people are employed worldwide.

In 2011, the Volvo Group's net sales amounted to SEK 310 billion, up 17% year-on-year. Revenues amounted to SEK 26.9 billion. The Volvo Group also includes Volvo Trucks, Renault Trucks, Mack Trucks, UD Trucks, Volvo Buses, Volvo Construction Equipment, Volvo Penta, Volvo Aerospace and Volvo Financial Services.

Check the ignition system and fuel injection of the next cylinder [If you have a problem with the car, ask the car master. 4S shop professional technician, 10 minutes to solve. 】

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Hello, there is a system over the knee fault, it is recommended to do the following aspects of the inspection first, the vehicle engine carbon deposition caused by this failure, it is recommended to clean up the engine inlet carbon deposition and valve base, cylinder carbon deposition second, the engine has air leakage, this situation focus on checking the intake branch vacuum pipeline and waste gas valve, whether the exhaust valve pipeline is leaking? Thirdly, the fuel injector is blocked, it is recommended to clean the oil circuit and check the lower fuel injector.

The car has traveled 80,000 kilometers, and the suction force of the oil cap is very large, normal?

The wastegas valve is replaced.

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Wrong s90

The answer to the problem of the system is that the concentration of the mixture is too low, and it is necessary to check the pressure of the oil pump to see if it is normal, and check whether there is a problem with the recent pressure data, such as whether there is any air leakage in the air intake, and then there is the fault of the oxygen sensor.

Pre-oxygen. Stress is no problem.

Yes, yes, it is the oxygen closure sensor, first of all, you need to check the ignition of the fire vertical closure plug, and then there is no problem with the car if there is no problem, if there is no problem, check the front oxygen.

The spark plugs are all new.

Replace the fuel injector with one.

The reasons for the failure of the Volvo XC90 transmission system: 1. The speed of the hydraulic transmission system is abnormal. 2. The hydraulic transmission system is abnormal. 3. The pressure of the hydraulic transmission system is abnormal. 4. Abnormal heating, oil leakage, noise, vibration, etc.

If the engine warning light is lit or flashing, it means that the engine control unit has detected the signal inaccuracy of a sensor of the engine or the poor combustion condition of the engine, and the range of fault sources is more than that. Therefore, in order to accurately judge the source of the fault, it is recommended to go to the repair shop to analyze the frozen data stream and fault code of the engine control unit with the help of the maintenance diagnostic instrument, and repair it according to the judgment technical report.

Reasons why the Volvo XC90 engine light is on:

1. The engine light is on indicating that the engine is faulty, divided into occasional failure and continuous failure, the fault light is occasionally lit is an occasional failure, and it can be continued to be used.

2. If the fault light continues to light up, and the vehicle is obviously abnormal, at this time, it is necessary to immediately go to the 4S shop for on-site maintenance;

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Summary. Hello dear, fault code 0006 is: indicates that the electronic control unit (ECU) detected that the fuel shut-off valve A control circuit voltage is lower than the minimum value of calibration.

It may be that the power supply line of the fuel pump is abnormal, the solenoid valve of the transmission is abnormal, or the transmission is faulty.

Solution: Check the condition of the vehicle, replace the fuel pump or pressure regulator, change the transmission oil, or two transmission solenoid valves.

Car fault code Volvo + XC90DEM-0006

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Hello dear, fault code 0006 is: indicates that the electronic control unit (ECU) has detected that the control circuit voltage of the fuel shut-off valve A is lower than the calibrated Rang Lu minimum value Tanzen band. It may be that the power supply line of the fuel pump is abnormal, the solenoid valve of the transmission is abnormal, or the transmission is faulty.

Solution: Check the condition of the car specifically, replace the fuel pump or pressure regulator, replace the transmission oil, or two transmission solenoid valves.

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The gearbox has just been repaired and there should be no problems.

Hello dear, according to this fault code is this fault.