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1992 3000gt engine knocking!!!!!

10-24-2009, 11:18 PM
What could of caused this? It was low on oil 2 quarts. Could it be the knock sensor? Is the repair hard to do lifters and cam shaft? costly?

10-25-2009, 12:44 AM
Running low on oil is probably the contributing factor.

Depending on if its bad lifter tick from being low on oil, or actual engine knock will depend on the severity of the damage. If its knock, then its a spun bearing and means either a total rebuild, a new shortblock, or a replacement engine.

10-25-2009, 01:33 AM
change the oil with som good stuff, amsoil, or anything full sythetic, see if it goes away...that should be the first step...and find ur oil leak
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10-25-2009, 02:27 AM
Changing over to synthetic on higher mileage engines does more harm than good. Stay with dino oil if you have higher mileage. The sythetic will cause even more leaks.

10-25-2009, 09:41 PM
The sythetic will cause even more leaks.

Definitly agree your better off using a good high milage oil with a good additive
I suggest Lucas oil but their are alot of comparable products out there

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