Question about 1991 Oldsmobile Ninety Eight Regency
When the car first starts it runs fine, then after coming to a stop after a few miles it will randomly begin to idle rough and make a rumbling noise when I accelrate. If I stop turn off the car and start it after a few minutes it won't do it, but will after driving a few miles. I checked the codes and came up with 22,41, and 42. Checked the cam circuit and tps circuit and came back normal. I heard it might be an ECM issue but am not sure if it is. How do I check it and replace it? I have never had to deal with an ECM.
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Posted on Jan 02, 2017
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