WHAT CAUSES A TO IDLE SO HARD WHEN IN PARK OR ON STEPING ON BREAKS?

1973 Chevrolet Monte Carlo

Tiny

priceshae

February, 13, 2012 AT 1:28 AM

I could be driving down the highway, pull in the parking lot or traffic light my car idles real hard. So I would have to reach my foot behind the gas peddle and left it up to calm it down. What could be the problem that's causing it to idle like that?

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Tiny

rasmataz

February, 13, 2012 AT 1:55 AM

Try adjusting the A/F mix and idle speed, clean EGR and PCV valves

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