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International Automotive Technicians Network
Re: 2003 Cadillac CTS consistently random on bank 1
Posted to Technical Discussion Forum on 11/17/2016

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[COP 1 Secondary hashy spark time]

COP 1 spark plug spark time has a lot of hash

[COP cylinder 3 secondary no hash in spark time]

COP 3 spark plug spark time has no hash

Ray

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