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tyler.moriarty
 Post subject: P0304, 2001 Jetta 1.8t
PostPosted: Sun Feb 22, 2009 3:09 pm 
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I have a P0304 code, and engine stumbles on accelaration. Out of gear, motor does not stumble. I previously had a catalytic converter code, cant recall code. Changed all 4 spark plugs, code came back after clearing. Swapped coil packs for cylinder's 3 and 4 and cleared codes. Code comes back still P0304. Removed coil pack wires while car was in idle. Car stumbles and returns to normal with all 4 cylinders seperately unplugged and plugged back in. Exhaust does not have a sulfuric (rotten egg) smell that i can notice. Any suggestions would help a ton.

Tyler
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 Post subject: P0304, 2001 Jetta 1.8t 
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jessenorman2008
 Post subject: Re: P0304, 2001 Jetta 1.8t
PostPosted: Sun Feb 22, 2009 4:03 pm 
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Joined: Thu Aug 28, 2008 2:15 pm
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Do a compression test and see what the compression is and also check for a bad injector plugged converter
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