Spark plug damage question
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Spark plug damage question
I noticed a few days ago that the car had a misfire, initially was verily notisable at idle or light load and it got more worst pretty quick < 200mi and stil in low load or idle so i checked logs, fuel pressure, for loose connectors, swaped main relay, checked plug wires, coils etc. i got to the plugs and foud this on #4.
I cannot see damage or oil on top of the piston and will do a leak down test and look in there with a borescope later this week but am wondering if anybody had something similar to this and what caused it.
BTW it runs fine with a new set of plugs
Thanks
I cannot see damage or oil on top of the piston and will do a leak down test and look in there with a borescope later this week but am wondering if anybody had something similar to this and what caused it.
BTW it runs fine with a new set of plugs
Thanks
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