1989 Chevrolet Corvette "ecm replacement" Questions

...and sending unit w/good used, new filter. Injectors taken for cleaning and test, all good. The ECM was sent in three times w/new prom? Could there be a bad ground, where do I look? injector will ...

lost inj. pulse need to know where the ecm gets crank position from. if from dist.how does it locate #1 1985 crovette Lost injector pulse. First injector power is supplied by (IGN+) or fues block ,The

...root causes, from a ground problem, to any number of sensors to EMC failure. Suggestions {: ) Your ECM is obviously not communicating, and that's really sad news. If you can't get the module ...

1981 Corvette will not start unless ECM is un plugged from distributer. My 1981 corvette occasionally will not start. If you unplug the computer, it will start and run. Replaced several ECM's, ...

exhaust, replace oxygen sensor. reset computer restart with same results. try the "tap test" on the ecm. After closed loop,just lightly tap on the computer,you may see it change or stall.Mine did that

looking for a good place to service 1992 corvette Brought car to GM and they say I need a ecm. Part has been on order with GM for over 5 months and they give me no alternatives. I have since found ...

...a test on it. the test said that there was a short in the car somewhere. we have had to replace the ECM 3 times in the last 2 yrs. for some reason, the instrument cluster will start blinking, the car ...

89 corvette quit running found bad ecm and replaced then the comp was bad replaced so now car idles great but will not take gas runs rough and misses real bad check the fuel injectors - seems the new ...

...and the slow idle drops to 500 rpms. I replaced the following parts and the problem still exists: ECM Coolant temperature sensor Throttle postition switch Fuel filter MAP sensor Cleaned the

...for injector resistance Did you get it started? I'm having the same problems. I'm thinking it's the ECM since i've changed just about everything else. too low FP Lines, filter or pump. If original ...