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PO305 cylinder misfire-HELP!

posted by  jimo on  Mon Feb 6 23:45 CST 2012
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last visit: Thu May 8 10:43 CST 2014
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I have a 1996 Volvo 960 that runs rough for about the first 30 seconds and sets code PO305 for number 5 cylinder misfiring. After the first 30 seconds it runs fine for the entire time it is running even on a 300 mile trip.

I have changed the coil and the plugs and it still has the problem. I even changed the coil a second time and still the same problem occurs with the new coil.

Any suggestions will be appreciated.

Thanks,
Jimo






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New PO305 cylinder misfire-HELP!
posted by  jimo  on Mon Feb 6 23:45 CST 2012 >


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