Join Now
International Automotive Technicians Network

P0402 Diagnostic Trouble Code Discussion for June 2006

EGRC-BPT Valve Function


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0402
Help Request Posted
2000 Ford Ranger XL 2.5L Poor Idle Quality, Hesitation, Surge, Stall, MIL Lamp on VIN: 1FTYR1OC9Y
P0402: excessive egr flow. o.k got a good one for ya.dpfe voltage is stuck at 5.12 volts. i have followed trouble tree and my dpf egr circuit to chassis ground is only 5 volts.i believe my dpfegr cicuit is shorted to vref power somwhere.could use some help its my parts suppliers delivar...
June 26, 2006
2000 Ford Ranger XL 2.5L Poor Idle Quality, Hesitation, Surge, Stall, MIL Lamp on VIN: 1FTYR1OC9Y
P0402: excessive egr flow. o.k got a good one for ya.dpfe voltage is stuck at 5.12 volts. i have followed trouble tree and my dpf egr circuit to chassis ground is only 5 volts.i believe my dpfegr cicuit is shorted to vref power somwhere.could use some help its my parts suppliers delivar...
June 27, 2006
2004 Ford F-150 Heritage XL 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2FTRF17WX4
P0402: cyl 2 misfire. Bear with me ford techs. This is a real hair puller. Truck came in with multiple misfires, mostly on bank 1. Checked cat, and it was plugged almost totally. Replaced all cats on both sides with oem parts. After we got the truck back from the exhaust shop. I in...
June 28, 2006
2000 Ford Ranger XL 2.5L Poor Idle Quality, Hesitation, Surge, Stall, MIL Lamp on VIN: 1FTYR1OC9Y
P0402: excessive egr flow. o.k got a good one for ya.dpfe voltage is stuck at 5.12 volts. i have followed trouble tree and my dpf egr circuit to chassis ground is only 5 volts.i believe my dpfegr cicuit is shorted to vref power somwhere.could use some help its my parts suppliers delivar...
June 26, 2006
2000 Ford Ranger XL 2.5L Poor Idle Quality, Hesitation, Surge, Stall, MIL Lamp on VIN: 1FTYR1OC9Y
P0402: excessive egr flow. o.k got a good one for ya.dpfe voltage is stuck at 5.12 volts. i have followed trouble tree and my dpf egr circuit to chassis ground is only 5 volts.i believe my dpfegr cicuit is shorted to vref power somwhere.could use some help its my parts suppliers delivar...
June 27, 2006
2004 Ford F-150 Heritage XL 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2FTRF17WX4
P0402: cyl 2 misfire. Bear with me ford techs. This is a real hair puller. Truck came in with multiple misfires, mostly on bank 1. Checked cat, and it was plugged almost totally. Replaced all cats on both sides with oem parts. After we got the truck back from the exhaust shop. I in...
June 28, 2006