1996 Pontiac Sunfire Q&A
1996 Pontiac Sunfire Question: about the ecm module
The ecm and speedometer need vehicle speed sensor input to operate. Is there a Check Engine Light on? If so a scan tool will retrieve codes identifying what area the fault is in. If you are trouble shooting this yourself there are two companies that independent auto repair shops "buy" their information from that offer a very reasonable service to do it yourselvers. You can get a one week subscription or year subscription very cheap. The information is year make and model specific repair procedures, service bulletins, component locations, wiring diagrams ect.... great quality information same as the professionals have,much better than generic workshop manuals from parts stores and much cheaper than the factory manual try Alldata which is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online or Mitchell on line http://bit.ly/Mitchell1_Online_Repair_Manuals and get an online repair manual subscription. - patrick mannion
The problem: Start the car and as soon as you put the shift lever in either drive or reverse, the drl indicator flashes and the service light in the instrument cluster comes on. The DRL lights do...