My 1991 Honda Accord - When starting cold, the RPMs will jump from 1500 to 2000 stern to 1500, and so on back and forth and 1 second intervals until the engine is warm up and then idle at a constant RPM. What would cause this?
Answers: Your fester speed control motor is malfunctioning at lower temps. Not an easy nor a cheap fix. It have to be replaced.
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