What is the reason for high idle speed?

, including idle motor and circuit.

Second, there is something wrong with the engine elsewhere, which leads to unstable idle speed. Include sensor failure, engine combustion failure and air intake leakage.

The third is the influence of external faults.

To determine the fault, you can only check it step by step. Use the decoder to see if there is a fault code. If there is no fault code, first check whether the idle motor control is normal.

Go to the 4S store and check it out! ! Whether there is carbon deposit in throttle body and idle Madari! ! It is recommended to clean the fuel road! ! Replace the spark plug! !