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P1402 Diagnostic Trouble Code Discussion for January 2009

EGR System Malfunction Detected (Open)


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Trouble Ticket Help Requests for DTC P1402
Help Request Posted
1999 Mazda Millenia S 2.3L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on, CNT REV OVER 2200RPM VIN: JM1TA2227X
P1402: EGR Valve Position Sensor Circuit Malfunction. Car starts fine, idle is poor, and clearly misfiring. After 2-3 minutes of driving "TCS off" and TCS Lamp comes on and engine can not rev over 2200 rmp. Had prior O2 sensor codes fixed by replacing downsteam sensors one was cracked. Had replaced spar...
January 24, 2009