Failed compression test and misfire

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Failed compression test and misfire

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Apr 10th, 2023, 11:49

#21

amorlv70

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Last Online: May 13th, 2024 12:15

Join Date: May 2020

Location: Newcastle

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Quote:

Originally Posted by dikidera

I've heard...and this is only something I've heard from mechanics. Is that the black deposits are not problematic. Whether this is because it's true or they don't know, that's a different story.

Point being, it may not be such an issue. Let them measure the clearances between the lobes and lifters, if they are within spec I would imagine there should be no issue.

Thanks.
I will report back when I have heard from the engine shop, most likely midweek..
I know that dark deposits can happen when oil gets a bit old, but this car has had oil changes every 6-8k miles since it was brand new and they are only present on the cylinders that had bad compression leading me to believe that this has been caused by an issue..

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