Morning does not idle high

Tiny
LUBRICATION811
  • MEMBER
  • 1991 CHEVROLET SUBURBAN
  • 11,600 MILES
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
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Sunday, April 29th, 2012 AT 6:05 PM

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
Check the throttle body gasket for a vacuum leak. Common failure.

Roy
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Sunday, April 29th, 2012 AT 6:11 PM

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