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88 chevy cheyenne high idle

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Anonymous Poster

Jun 4, 2009, 4:46 PM

Post #1 of 2 (3953 views)
88 chevy cheyenne high idle Sign In

my 1988 chevy cheyenne 81,000 miles strong engine 350 efi. very high idle. Have not found any vacume leaks. any ideas?

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way2old profile image

Jun 5, 2009, 10:06 AM

Post #2 of 2 (3945 views)
Re: 88 chevy cheyenne high idle Sign In

Checl\k the intermediate gasket on the throttle body. You can usually open the throttle and see a piece of the gasket hanging inside the throttle bore.

Being way2old is why I need help from younger minds

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