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P1401 Diagnostic Trouble Code Discussion for July 2007

EGR Temperature Sensor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1401
Help Request Posted
1997 Pontiac Trans Sport 3.4L MIL Lamp on VIN: 1GMDX03E7V
Hi, thanks for reading my post.Sets egr code.Egr will not function normally.Egr has been replaced. No drivability complaint. Check engine light on only. This is not a low flow error. it's pinticle position error. I have tested the egr with a Snapon Solus and a...
July 30, 2007