Chevrolet Silverado 1500 / 2500 / 3500:

Check engine light

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# 1  9/4/2011 3:53 PM

Waylandt
New member
Registered: 9/4/2011
Posts: 1

Check engine light

I have a 2001 2500 4x4 gas truck.  The check engine light comes on randomly while running on why 60-65mpg.  It slowly looses power and i have to pull over and let the engine sit for 5-15 minutes and it runs fine. Then in 3 hours or 3 days it does the same thing. It's been in the shop numerous times just cannot find a fix.

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# 2  9/4/2011 6:14 PM

Administrator
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Registered: 9/27/2008
Posts: 1279

Re: Check engine light

Sounds a lot like the fuel pump is dying out (as most GM pumps eventually do).

But first scan and identify the diagnostic trouble code which triggered the check engine light -- and then test fuel pressure -- before buying any parts.


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