According to related investigations, if a car has a service life of more than four years, it is relatively prone to various "idle" unstable failures. In automotive engine maintenance, idling instability is the most frequently encountered failure, but it is not the most difficult to solve. On the contrary, the treatment of such failures is very simple. This article will mainly analyze the cause of the instability of the car's engine idle speed, and propose a practical and practical maintenance method.
Unstable driving factors caused by unstable factors
If the owner has a lot of bad driving behavior while driving the car, then after using the car for more than two years, the stability of the car must be affected. Since various driving habits directly affect the service life of a car, basically the car failures are related to the driving methods.
Failure maintenance methods: To develop good driving habits, you can avoid the occurrence of various failures, effectively prolong the life of the car, to avoid the failure of the car, resulting in continuous increase in the cost of use.
Ignition instability factor fuel quality
After a market survey, it was found that most of the domestic car owners had “unsteady†instability and were linked to poor fuel quality. Poor oil quality fuel injectors are prone to clogging, which makes them unable to perform fuel injection in accordance with the ECU's instructions, resulting in over-thick or over-hybrid mixture, making individual cylinders work poorly, resulting in engine idling instability.
Failure maintenance methods: Replace the fuel and clean up the vehicle's fuel system in time, basically eliminating common failures. If it is still unable to solve the "idle" unstable failure, you need to go to a professional maintenance factory for a comprehensive inspection to avoid all kinds of faults affecting the normal use of the car.
Intake system abnormality due to idling instability
When the intake system is abnormal, such as the intake pipe and various valves leak, it will cause the mixer to be too concentrated and lean, which will cause the engine to burn abnormally. At the same time, excessive intake fouling or inaccurate intake air volume will cause the phenomenon of unstable car idle speed.
Failure maintenance methods: cleaning the car "throttle valve", by carefully cleaning the throttle, you can basically rule out more than 90% of the "idle" unstable failure, to extend the life of the vehicle to provide help.
Therefore, it is not terrible for an automobile to have an “idle†unstable failure. It is important to find the root cause of the “idle†unstable failure in a timely manner and then perform maintenance. In addition, the guiding ideology for analyzing the causes of idling jitter should also be remembered. Any failure that directly or indirectly causes the unbalance of the gas forces in the cylinders of the engine may cause engine idle jitter; when the idling jitter is more severe, it should be firstly searched directly. malfunction.
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