Question about 1999 Buick LeSabre
The ignition module has 3 coilpacks on it and the front one is not fring at all so it is skipping on those 2 cylinders. I replaced the coilpack and it still would not fire. I took the ignition module and had it tested and it checked out good. I also replaced the ecm because I assumed it wasn't sending the signal to the ignition module to make it fire, but this did not cure the problem either. Do you know if the cam or crank sensor could cause this ?
I was also thinking it may be an open circuit in the wiring but I don't have any schematics for this vehicle. The funny thing is that it isn't giving any kind of engine code. any info you have would be greatly appreciated.
Thanks J. Brown
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