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Expert
212 Answers
- Posted on Jun 18, 2011
Re: I have a 1999 gmc sierra with (as of 30 days ago cat....
If i understand you right the truck has been sitting for two years.If it has been sitting that long without running or moving the gas has turned to varnish...I suggest that you drain and refill the fuel tank,and replace the fuel filter located on/in the frame rail on drivers side.
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