High Idle with Check Engine Light

Jun 11, 2007 1 Replies

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fly1747 19 years ago

1996 Outback Wagon with 2.2L engine. Car has recently suffered from an occasional high idle, above 1000 rpm and higher when the A/C compressor kicks on. Today it was idling normally and then started idling high and the check engine light came on.

Any ideas before I go and have the code read?

Also, the gas cap was not fully tightened when I checked it this morning.

Thanks, Matt

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.._.. 19 years ago

Try starting it cold. Is the warm up idle the same speed as the abnormal idle?

I might suspect a bad thermometer (car thinks it's cold when it is warm causing the "warm up" sequence to continue).

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