Re: DOD ( or whatever it is called ) lifter failure on GM s

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Posted to Technical Discussion Forum on 4/26/2020 6 Replies

Because I just removed a PF48 from a 5.3 on Thursday. It had the P0521 yet again. Fresh oil, a better Denso filter and I'm sure he's free from P0521 for another 10 000km yet again.

Delco filters (oil) don't appear all that great to me. I've seen more than a ... Login to read more.

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