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1990 GMC C2500 stalling

Tiny
LESDORN
  • MEMBER
  • 1990 GMC C2500
  • V8
  • 4WD
  • AUTOMATIC
  • 139,000 MILES
Sometimes when leaving from a stand still, the engine has a stalling effect. This does not happin all the time. Also, when cold, the engine will idle high until I put it into gear then it will itle low.

Thanks, Les
Monday, December 8th, 2008 AT 6:50 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,913 POSTS
Hi:
This type of problem could be caused by a sensor, vacuum leak. I recommend starting by having the computer scanned for codes. Most nationally recognized parts stores will do it for free.
Also, check for vacuum leaks.

Let me know what you find.

Joe
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Monday, December 15th, 2008 AT 6:15 PM

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