7 3 Idi Injection Pump Problems

A walkthrough to what is involved with static retiming of a 7 3 idi injection pump.

7 3 idi injection pump problems. Injector control pressure icp. 120 250 for one of those. Make sure you check the fuel shutoff solenoid before you replace the injection pump. 7 3 power stroke diesel common problem 8.

Transfer pump pressure is taken at 3300 rpm and should be 90 110 psi for 6 9. If the engine won t start all other checks are normal and there is no air inside the injection pump chances are the transfer pump is not producing enough pressure to start the engine. This could be related to the radiator thermostat water pump cooling fan or bad coolant. Cost for thermostat could be 12 30.

Problem 4 bad injector timing. Both are fairly easy to replace. The main issues are often the thermostat or water pump part number f81z 8501 fa. Pre power stroke diesel 7 3l idi 6 9l injection pump timing after just replaceing the pump on my 91 i have been noticing it heats up real fast.

Whenever the fuel injector pump s o rings or ball seats are defective the timing of the fuel transfer process is disrupted. This is a common diesel fuel injector pump glitch and usually requires a complete injection pump rebuild or replacement. 90 120 psi for 7 3.