how mutch compresion is required for a 1.8 ltr engine to run? what is normal comp?
Feb 28, 2009 at 8:25 AM
Advertisement
MHPAUTOS
✓Experienced Mechanic
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,
mark (mhpautos)
Feb 28, 2009 at 8:32 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.