1978 Chevy Caprice high/rough idle

1978 CHEVROLET CAPRICE
175,000 MILES • V8 • 2WD • AUTOMATIC
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TEDDY TAYLOR
  • MEMBER
  • 1 POST
i have a 1978 caprice classic and ever time i put my car in park it begins to idle really high but when i put it in D,N,R, first and second gear the ilde returns to noraml.
Jan 28, 2008 at 9:43 AM
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MASTERTECHTIM
  • ✓Experienced Mechanic
  • 4,750 POSTS
your carburetor needs to be adjusted, choke coil, choke pull off diaphrqm may be ruptured or binding throttle linkage. try spraying the carb linkage with carb cleaner to get rid of the build up. check back with us.
Jan 28, 2008 at 9:53 AM
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