Mechanics

LOUD NOISE

1999 Jeep Grand Cherokee • 155,000 miles

I replaced my engine with a guaranteed used engine (100k miles on it) and have had no problems until today.

Stopped at the light and when I went to accelerate I noticed the engine sounded loud. In park when I accelerate it does the same loud sound. In idle, the engine is quiet. Any ideas? All fluids are fine.
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Nikkiab
May 5, 2013.



We cannot hear it or see it. Is it a knock?

Roy

No. It is a normal engine sound but just sounds like im revving my engine very loud when I accelerate. Roms stay between one and 2 when driving.

Tiny
Nikkiab
May 5, 2013.