1999 GMC Yukon cold start problems

1999 GMC YUKON
148,000 MILES • V8 • 4WD • AUTOMATIC
Avatar
LONEDOG10
  • MEMBER
  • 1 POST
10 degrees or colder--engine cranks over good--will not fire--if and when engine does start and warm up--runs fine and start s fine
Jan 22, 2008 at 1:50 AM
Advertisement
Avatar
MERLIN2021
  • ✓Experienced Mechanic
  • 17,250 POSTS
Check, replace the ECT, engine coolant temp sensor...
Jan 22, 2008 at 2:15 AM
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