P1235 Diagnostic Trouble Code Discussion for December 2010
High Pressure Fuel Pump Circuit Malfunction
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| Help Request | Posted | |
| 2005 Ford Focus ZX4 2.0L Loses power VIN: 1FADFP34N5 P1235: Fuel pump control. I had the scope hooked to the fuel pump control FPDM. Back probed the circuits to pcm pins 1 & 7 and the circuit to the pump pin 10 and had a fuel presssure gauge attached to windshield. Every thing was fine for a few miles then I started to hear a clickin... |
December 01, 2010 |
