Help with ae p1668 code
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Help with ae p1668 code
Just got Ae and learning how to use it. Got the p1668 code on cyl cont test. I found that is a pcm idm communication error. I see that it could be an open fuse, idm relay, shorted idm circuit, pcm short, ect, My question is how and where do I start elimimating what could be causing this. Thanks
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