What are the symptoms of a faulty VVT solenoid valve?

1 Answers
Lukas
07/25/25 5:12pm
VVT valve refers to the engine's variable valve timing. The symptoms of a faulty VVT solenoid valve are as follows: 1. Weak acceleration: The car may experience weak acceleration during driving. 2. Fault codes and increased fuel consumption: Fault codes may appear, and fuel consumption may increase. 3. Failure to start: In severe cases, the car may fail to start. Relevant information about VVT is as follows: 1. VVT: Variable Valve Timing system. 2. Function: This system adjusts the phase of the engine camshaft through its control and execution system, allowing the timing of valve opening and closing to vary with engine speed, thereby improving air intake efficiency and increasing engine power.
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