idles to high @ 1500 rpm

Asked by Apr 05, 2009 at 03:05 AM about the 1984 Chevrolet Corvette Coupe RWD

Question type: Maintenance & Repair

at highway speeds continues that speed with foot removed from throttle

3 Answers

8,475

does throttle wire stick? is the pedal returning fully? are vaccuum lines rubber? if so replace them if 5 yrs old +. leaky injector(s)??? these are just some questions to start with. check engine light lit?

1,335

likely a choke issue, take off the air cleaner and check the choke when the engine is both cold, then hot. it should be open a small amount when cold, and not at all when hot

1,335

could also be an air leak, either through the gasket, or vacuum lines

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