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#2005 FORD F150 LARIAT FUEL PUMP MODULE HOW TO#
#2005 FORD F150 LARIAT FUEL PUMP MODULE FULL#
#2005 FORD F150 LARIAT FUEL PUMP MODULE CODE#

Use specialized tools optimized to remove plugs from the engine.Įngines with Variable Valve Timing (VVT) have numerous additional pieces which make possible slight timing adjustments to valve opening and closing operations on a running engine.Do not use air or power tools to remove plugs, use hand tools only,.Do not try to remove the plugs from a warm or hot engine,.

#2005 FORD F150 LARIAT FUEL PUMP MODULE FULL#

Thus, a full engine inspection should be performed. This can lead to premature camshaft lobe wear, more stress on the cam phasers and, in the worst case, physical contact between pistons valves and other metal pieces. If some of the most important supporting pieces of the timing chain have been damaged, we should infer that the ignition and camshafts timing isn’t in accordance with the factory setting. Plastic pieces, on the other hand, can fall to the oil pan and partially block the oil’s path. No reason to tell you that this can damage the timing chain further. These plastic pieces can become fully detached from metal surfaces over time thus enabling metal-to-metal contact of the timing chain and metal carriers guides were attached to. The loosened timing chain will rattle like mad and damage plastic timing chain guides. In this case, the domino effect is more than likely. If you can hear rattles, the timing chain may have become loose due to the blown out tensioner. So, listen carefully for any unusual rattles after a cold start. Any input would be greatly appreciated.Timing chain rattles are most noticeable at the very start. I can only assume, by jumping the module that everything should be good out to the fuel pump. This as far as have gotten at this point. Yes, I did check and reset the inertial switch. I have power from the fuse box to the inertia switch and out to the module. Ok, now I’m thinking I have a electrical issue. Ok, so I thought I maybe bought a defected module. So I went back in test mode again, I jumped the new Fuel pump module the my vehicle would start and run. After getting everything back together, My vehicle still would not start. How ever, I was not able to fix the problem. I replaced the fuel pump and the fuel pump module on my 2005 Ford F150. I was having fuel pump issues and with your videos I was able to work on the issues.

#2005 FORD F150 LARIAT FUEL PUMP MODULE HOW TO#

One thought on “ How To Bypass Ford Fuel Pump Driver Module” Have you had to wire a jumper for a Ford fuel pump driver module? Let us know your thoughts below. If the fuel pump is not working, be sure to check for 12-volts on the white wire, or the jumper will not work as the module may be good.Ĭommon Ford OBDII codes for a bad module include P1237 Fuel Pump Secondary Circuit Malfunction and PO191 Fuel Rail Sensor. The jumper is likely the same across many types, but it is best to check a diagram to be sure. Jumpering a 2008 Ford F-150 fuel pump driver module is straightforward by sending 12-volt and ground to the fuel pump.įirst, Google a wiring diagram for your Ford to be sure the wiring is the same. Jumper the grounds together and the 12-volts to the 12-volt for the fuel pump will bypass the module.īasically, the outer left pins and outer right pin are jumpered together. The black/yellow wire is fuel pump ground, while the pink/black wire is 12 volts for the fuel pump. The outer wires of the plug are 12-volts from the battery (white) and module ground (brown).

The pins are not numbered in a line, so it can be a bit confusing but below is how it is wired.īe sure to see a diagram for the make, year, and model of your Ford, as there may be variations.

Pin 5: Inertia Fuel Shutoff IFS Switch.

Here is a wiring diagram of a 2008 Ford F-150 Driver Module pins. How To Bypass 2008 Ford F-150 Fuel Pump Driver Module While I did not have any Issues, I Can Not Be Responsible If Something Goes Wrong. There is an inertia switch on the passenger side of the 2008 Ford F-150 that controls the fuel pump along with relays in the fuse box.ĭo the Following at Your Own Risk. The fuel pump driver module is located at the rear of the vehicle.īefore bypassing the module be sure it is getting 12-volts DC or there is another problem.

#2005 FORD F150 LARIAT FUEL PUMP MODULE CODE#

The code on an OBDII scan tool was a P1237 Fuel Pump Secondary Circuit Malfunction. I recently ran into this problem with a 2008 Ford F-150 that had a fuel issue. This can be a good way to test if the module is bad or possibly get the vehicle home in an emergency. If you have a Ford that uses a fuel pump driver module, it can be bypassed for testing.