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Old 03-30-2011, 08:35 PM   #6
Jamie Greening
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Join Date: Jun 2007
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Default Re: help with chevy truck

Check the timing with it hooked up. Should be some where around 14 to 20 depending on calibration. If not unplug knock sensor. I've chased my tail so much because of a bad knock sensor shorted out. Does it have a lot of miles?
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