1999 Chevy Tahoe Service engine light

Tiny
BU2007VLX
  • MEMBER
  • 1999 CHEVROLET TAHOE
  • V8
  • 4WD
  • AUTOMATIC
  • 108,000 MILES
I notice when I put load on my truck (towing our boat) that the service engine light comes on when the towing up a hill or when the truck is having to work a little bit. I usually loosen the gas cap and after awhile the light goes out. This time it's been 2 days and the light went out and then came back on. The other thing I do is put supreme gas in the truck and this also in the past has worked on making the light go out. Any ideas what I should do next, Thanks, Great site!
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Saturday, July 19th, 2008 AT 11:13 PM

1 Reply

Tiny
MHPAUTOS
  • EXPERT
Hi there,

The first thing to do is have a scan done to see what fault codes are set, either have then rectified or re post your findings and we will advise further start here.

Mark (mhpautos)
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Saturday, July 19th, 2008 AT 11:18 PM

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