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P0354 Diagnostic Trouble Code Discussion for September 2007

Ignition Coil 4 Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0354
Help Request Posted
2001 Isuzu Trooper Limited 3.5L MIL Lamp on VIN: JACDJ58X71
P0354: Ignition Sensing Module Circuit 4 Malfunction. Hi everyone. This one set these codes within seconds of starting. I have replaced Ion sensor/module with out success. I have scoped with vantage every wire on the Ion sensor without finding any variation from B1 to B2 or irregularities in the patterns. Has NGK...
September 24, 2007