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#1257647 - 08/17/07 06:40 PM #8 soark plug problem
achen Offline

Registered: 11/20/05
Posts: 48
I had a #8 cylinder misfire problem on 96 PI, with the spark plug out, I found the gap between the spark plug tip is no more there and those two just connected without any gap--no wonder there is a misfire there. Pull out the #8 fuel injector, the bottom plastic cap is gone too. The cylinder wall is normal, no coolant, or oil, their trace, but just regular brown.

What can cause the spark plug end to bend down to the tip? I am taking out the head to change gasket(#1 misfire with coolant trace in #1 cylinder, and coolant mix with oil) , what should I look check for this #8 cylinder to make sure no other problem there?

#1257717 - 08/17/07 07:42 PM Re: #8 soark plug problem [Re: achen]
bigdaddyd Offline


Registered: 08/16/03
Posts: 463
Loc: Austin, Tx
wow, that sounds really bad. i have no idea.
07 P71,09 P71,05 P71, 99 P71, 06 P71 totaled! sold my first 4 P71's

#1257814 - 08/17/07 09:49 PM Re: #8 soark plug problem [Re: bigdaddyd]
helocop Offline
Not allowed to buy or sell on CVN

Registered: 01/21/05
Posts: 487
Loc: Central Wisconsin
hmmm? These are the first things that came into my head...just an guess.
-The spark plug was not gapped properly before it was initially installed.
-Maybe the engine jumped time? Check the valve train while you have the head off...


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