Engine Performance problem
1991 Chevy Lumina 3.1 6 cyl Two Wheel Drive Automatic 90000 miles
hi my friend has a chevy lumina with theses codes 15 coolant temp signal low/ 22, tps signal low / 43, esc module or sensor problem / 53, system voltage high/ replaced alternator checked all wiring connection replaced esc module but when I scan car it says 25.5 volts with those codes ched batteryu voltage it was within spec and alt was charging also good the car runs a little rough like if it had afouled plug or timing was a little off. Any help would be appreciated I cant sleep at night think and guessing whats wrong plus my buddy thinks the mech tech school I went was a waste of time cause I couldnt figure ths out. Thanks for time and patience guys
have the same problem?
Thursday, January 15th, 2009 AT 5:22 PM