Stuttered start up

Asked by Apr 11, 2015 at 08:26 AM about the 2000 GMC Sierra 1500 SLE 4WD Extended Cab SB

Question type: Maintenance & Repair

Sometimes on stat up and take off my truck has a stuttered start and slow acceleration.  The service light is not on I have cleaned the maf and replaced spark plugs.  Also have a new fuel filter.

1 Answer

40,545

If no CEL, then it may just be a dirty throttle body. Remove thottle body and tear it down and clean it thoroughly. Remove the IAC and clean that also. https://www.youtube.com/watch?v=L0HKPuSYruE

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