P0405 Diagnostic Trouble Code Discussion for September 2015
EGR Position Sensor Circuit Low Voltage
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| Help Request | Posted | |
| 2002 Ford F-150 King Ranch 5.4L MIL Lamp on VIN: 1FTRW08L92 P0405: EGR sensor A circuit low. ... a P0405. The dpfe voltage only rises from .98v to 1.15, 1.2v at the most while cruising on the road. Commanded egr at the time is 60%. I can kill the engine with a vac pump opening the egr valve at idle. I can ride around with a vac gauge on the line to th... |
September 10, 2015 |
