1990 GMC C2500 stalling

1990 GMC C2500
139,000 MILES • V8 • 4WD • AUTOMATIC
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LESDORN
  • MEMBER
  • 1 POST
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
Dec 8, 2008 at 6:50 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
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
Dec 15, 2008 at 6:15 PM
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