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  #1  
Old 04-05-2012, 06:29 PM
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Default 01 silverado 1500 misfire

i have a 2001 silverado 1500 5.3L and i am having problems with a random/multiple cylinder misfire. ive changed the spark plugs (AC Delco), replaced the intake manifold gasket, and checked the fuel pressure and checked for moisture in the fuel. the misfire also seems to be occurring on the drivers side only. any ideas on how to resolve this?? thanks.
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Old 04-05-2012, 07:40 PM
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Changed wires too? Could be messed up in the boot and not even know it
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Old 04-05-2012, 08:06 PM
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The wires are fairly new. (2-3 years)
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Old 04-06-2012, 11:52 AM
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Are you getting a check engine light? The wires could still be bad with 2 or 3 years on them. I always say do not overlook the obvious!
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Old 04-06-2012, 12:12 PM
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Yes. My light flashes to show misfire.
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Old 04-06-2012, 04:13 PM
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If it's flashin, then that means a big misfire. I'd pull the plugs and inspect the wires just to be sure. Check the cats as well. My stock ones were clogged and caused a flashin SES light to come on
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Old 04-06-2012, 04:29 PM
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I just put new plugs in last week hopin that was the problem. I am also gettin a low voltage to O2 sensor code
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Old 04-06-2012, 04:30 PM
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Wires are very clean and no damage. Good connections to all 8
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Old 04-06-2012, 07:51 PM
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Check that o2 code....is it driver side?
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Old 04-06-2012, 08:55 PM
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It don't specify for some reason
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Old 04-06-2012, 08:55 PM
 
 
 
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04, 05, 1500, 2000, 2001, 2012, chevy, cylinder, cylinders, fire, misfire, misfiring, miss, multiple, random, silverado


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