how mutch compresion is required for a 1.8 ltr engine to run? what is normal comp?
Feb 28, 2009 at 4:25 PM
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MHPAUTOS
CAR REPAIR CONTRIBUTOR
31,937 POSTS
Hi there,
Depending on the age and condition of the engine, i would be looking for around 120 -130 psi across the board, i am not sure of the actual numbers, but if you have a cylinder well down compared to the others you will need to do some diagnostic work to determine the cause,