morning does not idle high

1991 CHEVROLET SUBURBAN
11,600 MILES
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LUBRICATION811
  • MEMBER
  • 1 POST
My 1991 chevy suburban with throttle body injection when first started in morning does not idle high (race) and hesitates when accelerating, but when warm rides finehesitates, however when warm rides fine
Apr 29, 2012 at 11:05 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
check the throttle body gasket for a vacuum leak. common failure.

Roy
Apr 29, 2012 at 11:11 AM
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