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STILL Misfiring after new coil pack and plugs

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  #1  
Old 03-16-2007 | 10:57 PM
brandons34's Avatar
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Default STILL Misfiring after new coil pack and plugs
throwing codes P0300, P0303, P0302. Cylinder 1 and 3 misfire. I just replaced the plugs and the coil pack, should I try the wires?
 
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  #2  
Old 03-16-2007 | 11:19 PM
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Default RE: STILL Misfiring after new coil pack and plugs
Helps if you tell us what year/engine you have.
 
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  #3  
Old 03-16-2007 | 11:20 PM
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Default RE: STILL Misfiring after new coil pack and plugs
opps sorry. 96 a4 quattro 2.8 V6
 
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  #4  
Old 03-16-2007 | 11:23 PM
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Default RE: STILL Misfiring after new coil pack and plugs
Might be a bad coil, i think the 12v has two, one for each set of 3 cyl's. Wires are hardly ever an issue themselves unless its a bad ground.
 
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  #5  
Old 03-17-2007 | 12:09 AM
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Default RE: STILL Misfiring after new coil pack and plugs
How many miles? What rpm range is it misfiring at?
 
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  #6  
Old 03-17-2007 | 12:21 AM
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Default RE: STILL Misfiring after new coil pack and plugs
80,000 miles. When I start it runs rough, then after a mintue of going down the road(no more than 20 or 25 mph) I get the blinking CEL thats pulls the above codes. 2 coil packs? where the hell would the other 6 go?
 
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  #7  
Old 03-17-2007 | 12:25 AM
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Default RE: STILL Misfiring after new coil pack and plugs
Oh i just saw you replaced the coil pack. I thought the 12v had ignitors instead of individual coil packs for each cyl.
 
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  #8  
Old 03-17-2007 | 12:33 AM
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Default RE: STILL Misfiring after new coil pack and plugs
Are you saying it misfires through the whole rpm range? Can you feel it misfire? Can you feel it misfire at 60? You say it runs rough at startup, when does it feel like it is running good if at all?
 
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  #9  
Old 03-17-2007 | 12:50 AM
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Default RE: STILL Misfiring after new coil pack and plugs
Never. From starting there is an obvious problem.
 
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  #10  
Old 03-17-2007 | 12:58 AM
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Default RE: STILL Misfiring after new coil pack and plugs
Ive just been through all that. unplug your maf sensor see if it smoothes out, if it does, replce maf
 
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