P0642 Diagnostic Trouble Code Discussion for October 2017
Sensor Reference Voltage 1 Circuit Low
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| Help Request | Posted | |
| 2007 Ford F-150 XLT 5.4L No Start, Cuts out, Stall, MIL Lamp on VIN: 1FTPX04597 P0642: Sensor reference A circuit low. Truck was here for unrelated work. When customer came to pick it up, truck would not start. Someone else here threw a FRP sensor at it and it started, but then died again after diving a few miles. By the time it got back to the shop, it started and ran for a f... |
October 03, 2017 |
