Thread: Help with Misfire issues
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Old Mar 21, 2013 | 03:57 PM
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ala_xfire
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Joined: Dec 2010
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From: Lineville, AL
Default Re: Help with Misfire issues
Originally Posted by jbishop
All,

I have multiple misfire issues for all cylinders.

Engine runs great get over 3k RPM and boom misfires like crazy. Shut it off turn it on, she is fine until you go over 3k RPM.

Seems like: (Bulletin 1803004) - TBS: 5-Jul-04 - 18-030-04 - Engine Control - MIL ON, Multiple Misfire DTCs

I have replaced all plugs / wires and fuel filter. Does anyone have details on the TSB?

Any help would be very appreciated.

Thank you,

Jared
All that's left as far as ignition and timing is the Crankshaft Position Sensor, the Camshaft Position Sensor and the ECM.
I don't suspect all the coil packs decided to retire together .....
 
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