Compression Ignition Addict
Join Date: Apr 2007
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Good that #4 injector issue was fixed.
The GPCM is very likely to be bad. You may or may not have an IPR valve issue (why it would need to be unplugged with the key on is not clear to me though). You are very likely to have a bad injector that is dumping fuel. Lastly, I have no idea what is meant by "batteries are at 13 volts when doing the tests". The tests should be done when cranking (unless you are simply reading codes). There is no way voltage will be at 13 volts when cranking. If the glow plugs are working (and it sounds like they aren't), the voltage won't even be at 13 volts w/ them on. Cranking voltage is what you need to watch (and post) if you aren't going to load test the batteries.
06 F250CC SB FX4 Lariat; ARP studs; OEM gaskets; Banks exhaust; DynaTrac Ball joints; RACCCV6000; JimmiJammers; Ravelco; SynchroMax in trans case; Fumoto valves; Harpooned; Blue regulator spring; DashDAQ; PHP FICM; RiffRaff boots; DCPower 270AXP; Power Inverter; Bilstein shocks; BPD EGR cooler, radiator, water pump; SCT w/ SRL+; Rotella ELC Ultra Coolant; X2Power AGM batteries
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Last edited by bismic; 12-04-2019 at 04:00 PM.