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P0400 Diagnostic Trouble Code Discussion for April 2005

Exhaust Gas Recirculation System Flow Malfunction

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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
1997 Geo Tracker 1.6L MIL Lamp on VIN: 2CNBJ186XV
P0400: EGR System Performance. ... constantly and continuously sets the code P0400 EGR flow malfunction I even tee'd my vac. gauge into the MAP sensor and hooked my test light into the EGR bypass solenoid circuit so I could see when the monitor would run It ran usually around 46 to48 mph @1...
April 04, 2005
1996 Jaguar XJS 2+2 4.0L MIL Lamp on VIN: SAJNX2740T
P0400: EGR Flow Malfunction. Customer angry at dealer. Sent customer to dealer for EGR code and transmission limp home codes P0727 & P1775, those codes ARE NOT present at this time. Dealer performed open recalls and did a "tuneup" according to dealer invoice. MIL Light on now....
April 18, 2005
1997 Suzuki Sidekick JX Sport 1.8L MIL Lamp on VIN: JS3TD21V9V
P0400: EGR System Fault Too Much Or Too EGR Little Flow). ... Has P0400 (EGR) and P0751 (Trans). They wanted look into the EGR problem and will probably attempt a trans flush themselves for the P0751 as the tranny fluid is dark and has a little burnt smell. I don't have any info on ...
April 22, 2005