2003 Gmc Sonoma Sonoma 4 3 Start About 30 Seconds Later Engine Shuts Off

2003 GMC SONOMA
120,000 MILES
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LASURVIVOR47
  • MEMBER
  • 45 POSTS
I have a 2003 GMC Sonoma, 4.3 When I start it up. About 30 seconds later the engine shuts off.
Dec 17, 2012 at 12:15 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 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
Dec 17, 2012 at 1:05 PM
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LASURVIVOR47
  • MEMBER
  • 45 POSTS
Thank you for your reply. I will try that. Merry Christmas!
Dec 24, 2012 at 3:42 PM
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