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I have a 2003 GMC Sonoma, 4

Tiny
LASURVIVOR47
  • MEMBER
  • 2003 GMC SONOMA
  • 120,000 MILES
I have a 2003 GMC Sonoma, 4.3 When I start it up. About 30 seconds later the engine shuts off.
Monday, December 17th, 2012 AT 8:15 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the fuel pressure if its within specs with a fuel pressure tester if okay-clean out the idle air control valve with a carb cleaner and see what happens
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Monday, December 17th, 2012 AT 9:05 PM
Tiny
LASURVIVOR47
  • MEMBER
  • 45 POSTS
Thank you for your reply. I will try that. Merry Christmas!
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Monday, December 24th, 2012 AT 11:42 PM

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