P1235 Diagnostic Trouble Code Discussion for September 2011
High Pressure Fuel Pump Circuit Malfunction
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| Help Request | Posted | |
| 2004 GMC Sierra 2500 HD 6.6L Poor Idle Quality, Misfire VIN: 1GTHK23264 P1235: Fuel Injector 5 Output Circuit Malfunction. Truck makes loud knocking noise and puffs thick black smoke. Sounds like detonation knock. Used modis to manually shut down injectors found that when injector number 2 was disabled the knocking stopped and the smoking stopped. Checked wiring at FICM and a inje... |
September 02, 2011 | |
| 2004 Lincoln LS 3.0L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1LNHM86S14 P1235: Fuel Pump Control Out-Of-Range. hello techs, i have what sounds to be bad coils, but not convinced. it will run well for several minutes , then scatter spark all over the map and primarily on #4,5,6 cylinders. #4 coil replaced already. plugs also on that bank on all 3 holes. no change. i sus... |
September 08, 2011 | |
| 2005 Lincoln LS Ultimate 3.9L No Start VIN: 1LNHM87175 P1235: Fuel Pump Control Out-Of-Range. And we wonder why we have grey hair!!! Hello IATN, I have a Lincoln here that is killin me. Showed up here after sitting for 6 months. Car shut down and was towed to customer's house. While home the customer removed every fuse panel cover and trim, lost some... |
September 20, 2011 |
