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International Automotive Technicians Network
Re: ICM OR PCM fault
Posted to Technical Discussion Forum on 5/20/2013

If you look at both failures it seems that the spout glitches either high or low, causing the ICM to skip the next firing event. Its hard to say if that's an error on the ICM's part or if the glitch is confusing the logic for a second. But think about this: if... Login to read more.