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780 Engine Knock 700 1990

posted by  wolf_walker on  Tue Aug 19 17:26 CST 2008
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last visit: Sat Aug 11 19:29 CST 2012
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This is LH2.4, so base timing is computer controled, no adjustable.

The knock, does it go away at 1500rpm or so? Get worse with RPM?

The oil pressure, I'd put a manual gauge on it and verify what it is before anything else, idiot lights are sometimes, well, idiots.

Worst case is you have low oil pressure and a spun bearing.
Best case is the light or sender is wrong and you have piston slap.
If I had to guess.





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New 780 Engine Knock [700][1990]
posted by  bmw535is85  on Tue Aug 19 16:15 CST 2008 >


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