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P0400 Diagnostic Trouble Code Discussion for October 2007

Exhaust Gas Recirculation System Flow Malfunction


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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
1996 Geo Tracker 1.6L MIL Lamp on VIN: 2CNBJ1862T
P0400: EGR System Performance. Have re-occuring p0400 for egr flow issue. Transducer and bypass vac solenoid are new. Other vac control solenoid is not new, but does function properly ( cuts vac to transducer P port ). Lift valve manually, stalls eng @ idle. Turn egr on w/ scanner, stalls e...
October 11, 2007
1996 Geo Tracker 1.6L MIL Lamp on VIN: 2CNBJ1862T
P0400: EGR System Performance. Have re-occuring p0400 for egr flow issue. Transducer and bypass vac solenoid are new. Other vac control solenoid is not new, but does function properly ( cuts vac to transducer P port ). Lift valve manually, stalls eng @ idle. Turn egr on w/ scanner, stalls e...
October 11, 2007