Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
I have a 2000 chevy express 2500. it starts and runs good at times and others it starts and dies.when it does this I cant read codes or live data. it don't have injector pulse at this time but will at first try to start then looses it . I have bypassed security and run good for a day then same thing again.
I have a 2000 Chevy express van that i have been trying to get going and reliable again it will crank and die immediately but on occasion starts and runs fine. I have checked inputs and outputs of all sencers thay seem to be good except the injectors it will pulls one time per start and go away. The van supposedly don’t have security but has the light for it I did the resestor from the key and it did fine for a day. It makes me think it is fixed then acts up again. Does anyone how to test injector module in the ecm
Topic Author
