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P0402 Diagnostic Trouble Code Discussion for June 2007

EGRC-BPT Valve Function


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Trouble Ticket Help Requests for DTC P0402
Help Request Posted
1999 Mazda Miata 1.8L MIL Lamp on VIN: JM1NB353XO
P0402: excessive egr flow. This vehicle will intermitantly set the code after driving sometimes in days sometimes in weeks. We have replace all the usual suspects and followed diagnostic procedures in the mitchell info data base including checking for TSBs. When the vehicle arrives at t...
June 28, 2007
1999 Mazda Miata 1.8L MIL Lamp on VIN: JM1NB353XO
P0402: excessive egr flow. This vehicle will intermitantly set the code after driving sometimes in days sometimes in weeks. We have replace all the usual suspects and followed diagnostic procedures in the mitchell info data base including checking for TSBs. When the vehicle arrives at t...
June 28, 2007