Buick lesabre 02
#2
Senior Member
True Car Nut
Swap the coil with another. If the problem moves, it'* likely a bad coil. If the problem stays at 1/4, it'* likely a faulty ICM.
Also check codes to see if there are any codes throwing, as this can also give you some insight on what is going on also.
Also check codes to see if there are any codes throwing, as this can also give you some insight on what is going on also.
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