Quote:
Originally Posted by Ultramaroon
Enough speculation. Test compression.
If it's good, buy new DI seals, clean everything, and carefully reinstall direct injectors.
That tap/pop is nasty. Is that the sound of cylinders firing through leaking DI seals?
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Honestly engines I've heard in person with leaking injector seals were merc OM612 and OM642 and the Aprilia DiTech and they all sure as hell didn't sound like an M6 nut getting smashed into a combustion chamber.