P0403 Diagnostic Trouble Code Discussion for June 2006
EGR Solenoid Circuit Malfunction
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| Help Request | Posted | |
| 2002 Ford F-150 King Ranch 4.6L MIL Lamp on VIN: 1FTRX17W92 P0403: EGR Circuit fault. Help!!! I've removed the ECM & traced wires to no avail. All wiring test good from ECM to respective pigtails. The DPFE sensor has 1.02-1.12 volts with EGR closed. Open the EGR at idle and the DPFE voltage only goes to 2.65v. Spec says it should be 4.5v. W... |
June 20, 2006 | |
| 2002 Ford F-150 King Ranch 4.6L MIL Lamp on VIN: 1FTRX17W92 P0403: EGR Circuit fault. Help!!! I've removed the ECM & traced wires to no avail. All wiring test good from ECM to respective pigtails. The DPFE sensor has 1.02-1.12 volts with EGR closed. Open the EGR at idle and the DPFE voltage only goes to 2.65v. Spec says it should be 4.5v. W... |
June 21, 2006 | |
| 2004 Ford F-150 Heritage XL 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2FTRF17WX4 P0403: cyl 3 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 |
