What are the symptoms of a faulty car throttle?

1 Answers
TheoAnn
07/29/25 9:03pm
The following are the symptoms of a faulty car throttle: 1. Unstable engine idle speed, high idle speed persists and does not decrease, difficulty in starting the engine, especially cold start difficulty; 2. Unstable engine idle speed or no idle speed; 3. Difficulty in starting the engine; 4. Insufficient engine power, poor acceleration performance, and unstable operation; 5. Black smoke from the car's exhaust pipe and increased fuel consumption. Extended content: When cleaning the throttle, it does not need to be disassembled, but the air intake sealing parts must be cleaned thoroughly. The idle speed motor must be removed to be cleaned properly. There are pros and cons to both disassembling and non-disassembling methods for cleaning the fuel injector. Generally, maintenance stations recommend non-disassembling cleaning to prevent other unnecessary waste.
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