2002 cavalier 2.2 ecotec. It has cylinder 4 msfire. Ihave changed spark plugs wires icm ignition coil and fuel injectors with no change. Did compression test and cylinder 1-3 210 psi and cylinder 4 190 psi. What could my problem be?
have the same problem?
Monday, August 13th, 2012 AT 2:37 PM