Question about 1999 Chevrolet Silverado 1500

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Chevy truck running rough 150,000 miles

Chevy silverado 1999 1500 4 wheel drive running rough. Check engine light comes on periodically

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  • weezieb57 Dec 30, 2008

    thank you will go and do that. Hopefully my auto parts store will do that for me.

  • Anonymous Mar 17, 2014

    how to operate 4 wheel drive on 2009 chevy Silverado

  • Anonymous Mar 18, 2014

    battery would die on cold days and I had it replaced right sfter that the check engine light began flashing and the truck rides rough now

  • Anonymous Mar 23, 2014

    Car runs rough stalls choke light comes on some black smoke out of exhause

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Find out why the engine light is coming on, it is the info u probably need to fix the running rough problem. Most auto parts stores will read the codes stored in your trucks computer for free, write them down, and ask what they mean and how to correct the problem. If u need more info, return to this site w/ codes for further help.

Posted on Dec 30, 2008

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Is it using more fuel too? if you have DTC's code PO171 & PO174 with the system too lean in (bank1 and bank2) could be the intake gasket leaking? have a smoke test done. Very unlikely to have two oxygen sensors to go out at the same time.

Posted on Dec 30, 2008

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