Traditional Culture Encyclopedia - The 24 Solar Terms - What should I do if Highlander's idling jitter is serious?
What should I do if Highlander's idling jitter is serious?
Possible causes of engine idling jitter: 1, leakage of intake manifold or various valves, resulting in the change of mixture concentration, excessive dirt on throttle and intake, and inflexible throttle action;
2. Idle motor and solenoid valve are stuck;
3. Incorrect air intake, unstable fuel pressure, spark plug failure and lack of cylinder;
4. Fuel injector failure, ignition coil failure, and inaccurate ignition time;
5. The cylinder is worn, the cylinder pressure is unstable, and the three-way catalyst is blocked.
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