Why do my warning light come on for five seconds then shut off for no reason

2003 GMC SONOMA
130,000 MILES
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COLLINHELM1123
  • MEMBER
  • 1 POST
They just shut off for five seconds and turn off randomly
May 18, 2012 at 3:03 AM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Have you had the computer scanned for trouble codes?
May 18, 2012 at 3:08 AM
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IMPALASS
  • ✓ASE Certified Mechanic
  • 3,112 POSTS
  • ASE Certified Mechanic
Which warning light comes on - the check engine light? You may have engine codes. Go to AutoZone and for free the can check the codes on the vehicle. Make sure you write down what the codes are and let me know what they are.
May 18, 2012 at 3:09 AM
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