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2003 Chevy Avalanche guages

Tiny
GRISELTYE
  • MEMBER
  • 2003 CHEVROLET AVALANCHE
  • V8
  • 2WD
  • AUTOMATIC
  • 88,000 MILES
My speedometer goes back and forth from correct to off by 20 or 30 mph, my rpm gauge is stuck all the way up to 6, and my gas gauge always says empty. HELP!
Sunday, March 22nd, 2009 AT 4:26 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi:
This could be a BCM, ground, or insturmentation problem. With the newer GM's, all gauges can be tested with a scanner to see if they work. I would start with that. If they work (with scanner), then I would have the BCM tested.

Joe
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Monday, March 23rd, 2009 AT 1:42 PM

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