Symptoms of a Faulty Idle Motor?

1 Answers
LorenzoLee
07/29/25 7:22pm
The manifestations of a damaged idle motor are as follows: 1. Irregular idle speed. One of the most common symptoms associated with a problematic air control valve is irregular idle speed. The idle air control valve is programmed to regulate and maintain the engine's idle speed at a constant rate. If the valve malfunctions or has any issues, it may cause the idle speed to fluctuate. This can result in abnormally high or low idle speeds, or in some cases, repeatedly rising and falling idle speeds. 2. Engine stalling. Another more severe symptom of idle control valve issues is engine stalling. If the idle control valve fails completely, it may leave the vehicle without an air source to maintain proper idling. This can cause the engine to stall while running, and in some cases, may prevent the engine from idling at all, causing it to stall immediately after starting.
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