Quote:
Originally Posted by romin
The reason I believe they are somehow related is because both are happening primarily on cylinder one. Has anyone lost a coil on cylinder two, three, or four? I've only heard of a couple folks complaining about loosing seals on cylinders other than one and that was second hand knowledge via a dealer. I believe every burned seal photo shown on this forum was from cylinder one.
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Good point; I just don't want owners that get P0351 to read this thread and conclude that their DI seals have failed or will fail as a result. There are many other threads for DI seal failure discussion and the respective misfire DTC's associated with that issue, which is widely agreed upon as a result of a flaw with the early factory ECU calibrations that allows detonation which destroys the DI seals over time.
Excessive heat very well may be a contributing factor to both issues being most commonly centered around cylinder #1, but we just have to be careful asserting that the two issues are correlated until a connection is made and evidence is presented to support it.