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P0402 Diagnostic Trouble Code Discussion for January 2006

EGRC-BPT Valve Function


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Trouble Ticket Help Requests for DTC P0402
Help Request Posted
1994 Ford Thunderbird LX 4.6L Excessive Emissions VIN: 1FALP62W0R
P0402: excessive egr flow. ... emissions failure. check engine light was on. code scan revealed P0171/P0174 (LEAN air/fuel ratio bank 1&2) and P0402 (Excessive egr flow) MAF Baro was 126 Hz. our normal range in chicago is 156 to 159 Hz. We replaced MAF, EGR, EVR, DPFE, and both upst...
January 06, 2006
1995 Toyota Camry LE 3.0L MIL Lamp on VIN: 4T1GK12E7S
P0402: excessive EGR flow. ... code P0402, excessive egr flow. Freeze fram data show code set at approx. 2600 rpm , 38 MPH, 38% load. I've looked things over and see nothing amiss. With the engine idling, I applied vacuum with a hand held vacuum pump and the engine stumbles real bad and...
January 08, 2006
1998 Chrysler Sebring JX 2.5L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 3C3EL45H1W
P0402: catalyst eff. car runs bad at times, seems like timing retards so bad that it pops and backfires,then it will run ok for a few min, if you try to drive it, give it gas and it boogs out but if you stay in it car will come back and run good fuel pressure is good, exhaust is n...
January 16, 2006
1994 Ford Thunderbird LX 4.6L Excessive Emissions VIN: 1FALP62W0R
P0402: excessive egr flow. ... emissions failure. check engine light was on. code scan revealed P0171/P0174 (LEAN air/fuel ratio bank 1&2) and P0402 (Excessive egr flow) MAF Baro was 126 Hz. our normal range in chicago is 156 to 159 Hz. We replaced MAF, EGR, EVR, DPFE, and both upst...
January 06, 2006
1995 Toyota Camry LE 3.0L MIL Lamp on VIN: 4T1GK12E7S
P0402: excessive EGR flow. ... code P0402, excessive egr flow. Freeze fram data show code set at approx. 2600 rpm , 38 MPH, 38% load. I've looked things over and see nothing amiss. With the engine idling, I applied vacuum with a hand held vacuum pump and the engine stumbles real bad and...
January 08, 2006
1998 Chrysler Sebring JX 2.5L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 3C3EL45H1W
P0402: catalyst eff. car runs bad at times, seems like timing retards so bad that it pops and backfires,then it will run ok for a few min, if you try to drive it, give it gas and it boogs out but if you stay in it car will come back and run good fuel pressure is good, exhaust is n...
January 16, 2006