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2014 Chevy Silverado
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Vortec 350

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Old June 7th, 2011, 8:13 AM
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Exclamation Vortec 350
I have a 2000 chevy with vortec 350 its backfiring and misfiring real bad. it carnks fine though. i have changed plugs and wires and no change. could it possibly be a stuck valve and making it backfire through the intake? I'm at a stand still here.
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Old June 7th, 2011, 11:29 AM
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are there any codes that pop up?
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