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Registered
Join Date: Jul 2004
Location: New Hamsphire (United States)
Posts: 427
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Chevy Express misfiring..
My dad has a 2001 Chevy Express LT, and it's been having some problems for a while... we pulled the error code, it's
P0300 Multiple Cylinder Misfire But we did plugs, wires, cap, rotor, nothing seems to fix it.. Any ideas? Last edited by Clowd; 12-31-2004 at 09:46 PM.. |
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12-31-2004, 08:50 AM
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Join Date: Jul 2004
Location: New Hamsphire (United States)
Posts: 427
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Coil pack?
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12-31-2004, 08:58 AM
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Join Date: Sep 2003
Posts: 1,230
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Coil pack or wires; you don't state the mileage but being an '01 I imagine the wires (boots,etc) are near the end of their service life.
I did run into a chevy v6 that had a misfire once that turned out to be the grounding of the coil pack; it was bolted direct to the block and grounded thru the bracket with no other provisions for ground. Lost the ground due to a prev. owner not tightening the part down leading to an intermittent miss. |
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12-31-2004, 10:13 AM
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Join Date: Sep 2003
Posts: 1,230
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Sorry , didn't read whole post where it states you changed all the tune-up parts.
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12-31-2004, 10:15 AM
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Join Date: Jul 2004
Location: New Hamsphire (United States)
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I believe it has around 52k...
We just put a new coil pack on and he's testing it. |
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12-31-2004, 11:42 AM
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Join Date: Jul 2004
Location: New Hamsphire (United States)
Posts: 427
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Didn't fix it.. we are at a loss...
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12-31-2004, 09:44 PM
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