1989 Buick Riviera "ecm" Questions

ECM SHUTS DOWN I had a problem with the car shutting down. changed the crank sensor. ecm was found to be faulty, so was changed. worked for a while and dies again. put old one back on it works for a ...

...as you are going down the road it will shut off,but crank right backup. whats wrong? Check the ECM part number. If it is a 1228253 that is your problem. get a 16198264 the other number does just ...

...check for crank signal while cranking should be around 5 if not u may have short to memcal in the ecm shouldbe located under pass dash should be 2 bolts on ecm and it can be removed there also an ...

...? Engine cooling fans will not turn off. I have already changed both relays, with no results. the ecm turns on the fans. it turns them on when u turn on the a/c so check the a/c circuit before ...

How to replace ECM in 1995 Buick Riviera. Do I need to disconnect battery first? Yes, disconnect the battery first, Then be sure you do not have a staitc charge on your clothing when removing and ...

...and the car still sounded like its misfiring. Sparkplug wires are not crosed up. Ju Was thinking ECM as I have had the battery disconected several times in the last week and no change in engine ...

...I thinking. P1441 Evaporative Emission (EVAP) System Flow During Non-Purge Now for the fix: the ECM uses a pressure sensor to watch the system and see that there are no leaks. If it sees a leak ...

...heating up geting code 34 DTC - 34 MAP Sensor Circuit Error (Signal Low Indicating High Vacuum) The ECM uses the Manifold Absolute Pressure (MAP) sensor as an indication of engine load. High voltage ...

ECM or BCM I purchased a 91 riviera 79,450 mi.battery would go dead after sitting for 3 or 4 days it has a flashing security light on the dash but was told that is not the problem.We did a voltage ...

...don't work you may want to check the crank and/cam position sensers Have you tried replaceing the ECM module? This is located under the distributor cap. It will be screwed down possibly. Usually ...