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Misfire code cylinder 6


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Vinniety's Avatar
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Join Date: Apr 2009
Posts: 17
Westchester, NY

February 11th, 2011, 2:41 PM   #1  
Misfire code cylinder 6

Within the last month and half i have been getting a check engine light on becasue of a misfire on cylinder 6. The code is P0306.

I ended up changing a few things. I went with the Taylor 82605 8.2MM spark plug wires. Spark plugs were autolite XP5245 and new acdelco ignition coil pack.

I did the plugs first about three months before i was getting the check engine light. Everything was fine then the misfire came up. Thats when i started troubleshooting. I then did the wires gave it a week and the light went off but Bang back on. I then went with the new ignition coil light goes off the next day a week later bang its on. I noticed its very cold around 10 degrees when the light comes on.

Now keep in mind if the light wouldnt have come on i wouldnt have been able to tell there was a misfire. The truck runs great no matter how cold or hot it is. I also ran seafoam through brake booster to see if that would help it. Once again i can only tell tha the light comes on when its cold but the trcuk no matter what runs smooth and great.

Any ideas would be greatly appreciated.

Thanks

 
73shark's Avatar
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Posts: 9,158
KC, MO area

February 11th, 2011, 5:53 PM   #2  
Might try switching plug #6 w/ another one and see if the problem either goes w/ the plug or stays w/ the cylinder or goes away altogether.

 
Vinniety's Avatar
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Join Date: Apr 2009
Posts: 17
Westchester, NY

February 12th, 2011, 8:02 AM   #3  
I already did that. I switched plug 6 with plug 4 and also the wire and same issue. I think it's the autolite plugs. I'm going back to acdelco.


Last edited by Vinniety; February 13th, 2011 at 11:23 AM.
 
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