Ok the car is a 91 ford taurus 3.0 automatic manufacturered in 8-90.
The history is the check engine light came on, took it to a mechanic so he could test, he said new battery cables because the tester could not do its job. We replaced the battery cables. Light still came on. Had the O2 sensor replaced. Light still came on. The mechanic took off the new O2 sensor but then put it back on. After each time the mechanic disconnected the battery so the computer could reset itself. Had retested said mixture to lean, mechanic made richer, tested again, said vacumn leak. Mechanic replaced the uppervavle gasket. Light still comes on. The tester read that the EGO was not switching. Can anyone please try to help because we need car fixed and I do not think we have a mechanic locally who knows what they are doing.
have the same problem?
Monday, August 21st, 2006 AT 5:38 PM