WHAT CAUSES THE ENGINE TO IDLE UP AMP DOWN AFTER...

1991 Chrysler Le Baron

Tiny

Anonymous

February, 7, 2013 AT 5:20 PM

What causes the engine to idle up & down after it warms up some. Almost to cutting off to 1000 to1500 RPM's. Most time stays at a high idle. Also has a bad exhaust smell.
Car has set up for about 1.5 years in a carport.

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