stalling when cold

1991 GMC SIERRA
320,000 MILES • V8 • 4WD • AUTOMATIC
Avatar
CAVALIER_Z24
  • MEMBER
  • 1 POST
hi i have 1991 gmc sierra
305 v8 stalls when it`s cold
when you turn on head lights
when it`s cold itwill stall
when the truck is warmed up
every thing works fine
Jan 14, 2011 at 1:02 PM
Advertisement
Avatar
JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
Is it cold enough for block heater? How long since a tune-up? Any applicable mil codes. If idle issue, clean the throttle-body and check iac. The coolant temp sensor can cause temp related issues.
Jan 14, 2011 at 1:13 PM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle