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P0402 Diagnostic Trouble Code Discussion for November 2013

EGRC-BPT Valve Function

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Trouble Ticket Help Requests for DTC P0402
Help Request Posted
1998 Nissan Altima GXE 2.4L MIL Lamp on
P0402: EGRC-BPT Valve Function. vehicle came in with a code p0402 according to the parts store generic scanner it said excessive egr flow. Customer declined egr diagnosis and we changed egr valve per customer request. Vehicle came back in 2 weeks with same code. During inspection we found da...
November 02, 2013
1997 Toyota Land Cruiser 4.5L MIL Lamp on, code po402 VIN: JT3HJ85JXV
P0402: Excessive EGR Flow Detected. vehical brought in check engine light on code po402 eccesive egr flow we change back pressure tranducer and vaccume valve we test drive egr working ok passage are clean vaccume line ok no restriction in throttle body clear code but same code coming back when w...
November 13, 2013