After spending 2500 miles driving my Buick without a hitch it is now throwing everything at me but the kitchen sink. Here is what it's doing now:
When I drive the car with any chip calibrated for my setup (I have 4 to choose from) I get a stumbling idle which usually ends up with the car dying, and I can barely drive the car from point A to point B. This is with or without the O2 sensor, open and closed loop.
If I drive the car with no chip in the ECM, it idles great, and runs (not well, but it can get me around). The service engine light flashes and my Scanmaster doesn't show any data, but it actually runs better than it does with a chip in the computer.
Any ideas? Bad ECM possibly? (I don't get a bad ECM code, but it seems somewhat logical...)
Peter
When I drive the car with any chip calibrated for my setup (I have 4 to choose from) I get a stumbling idle which usually ends up with the car dying, and I can barely drive the car from point A to point B. This is with or without the O2 sensor, open and closed loop.
If I drive the car with no chip in the ECM, it idles great, and runs (not well, but it can get me around). The service engine light flashes and my Scanmaster doesn't show any data, but it actually runs better than it does with a chip in the computer.
Any ideas? Bad ECM possibly? (I don't get a bad ECM code, but it seems somewhat logical...)
Peter