Mechanics

HARD KNOCKING

1998 Oldsmobile Intrigue

Engine Performance problem
1998 Oldsmobile Intrigue 6 cyl Front Wheel Drive Automatic 182000 miles

I was driving, idled for 10 minutes, start back driving, engine began to knock real hard. I checked the oil and trans fluid. All was well. What else could it be if it's not the fluid. I have 182,000 miles on that engine.
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ALWTLW
February 5, 2010.



Is the knock from low in the engine? Does it change with RPM's?