Engine Performance problem
2004 Chevy Malibu 4 cyl Automatic 78,000 miles
I changed the spark plugs.
Changed the catalytic converter.
Changed the fuel modulator.
and still running ruff. I was told to check the fuel pressure and I rented a gauge and it is reading 50psi with out the engine on then 58psi when it is on. I don't have a manual so I don't know what it should read can anyone help.
have the same problem?
Wednesday, November 18th, 2009 AT 8:26 PM