Question about GMC Yukon
If I'm not mistaken, this code is Electronic Spark Control (ESC) Circuit which can mean anything in the system. There is a knock sensor near the starter that can be the problem. I have also seen a new distributor fix this code. The distributor can lose it's ground in the housing OR the shaft magnet gets too weak
Posted on Jun 17, 2009
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Posted on Jan 02, 2017
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