Question about 1999 Chevrolet Silverado 1500

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Bad fuel odor doesnt seem to be burning all the fuel

Truck truck runs good but at idle shakes bad and has bad fuel odor i think it might be the spider injection or clogged up catalyic converter

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  • Anonymous Apr 08, 2009

    bad odor coming from my 1996 chevy silverado z71..

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Could be many different things. Oxygen sensors could be one, although most of the time those will kick on the check engine light. May just be getting some bad gas, try 93 octane and see if that corrects the problem. Also, check your fuel filter and if you've got over 100k change the plugs and wires if you haven't already.

Posted on Nov 12, 2008

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