Can a FICM be used on a LB7?
As for a FICM, any only on a LB7 should work on any other LB7 right and what is one worth. Granbury Tx. So any ideas on this yet? I’m getting frustrated.
How does the fuel injection control module ( FICM ) work?
Thinking a wire somewhere shorted out or something. Circuit DescriptionThe fuel injection control module (FICM) supplies high voltage to each fuel injector on the ignition voltage circuits. The FICM energizes each fuel injector by grounding the command circuit between the FICM and the fuel injector.
How much does a Duramax injector circuit cost?
The wiring on the injectors is very simple: One wire powers the injector while the FICM fires the injector by grounding the other. The recommended resale from my supplier on these remanufactured injectors is about $1,600 for the set of four.
What happens when DTC is set on LB7?
Action Taken When the DTC Sets•The control module illuminates the malfunction indicator lamp (MIL) when the diagnostic runs and fails. •The control module records the operating conditions at the time the diagnostic fails. The control module stores this information in the Freeze Frame/Failure Records.
As for a FICM, any only on a LB7 should work on any other LB7 right and what is one worth. Granbury Tx. So any ideas on this yet? I’m getting frustrated.
How does the FICM work on a fuel injector?
The FICM monitors the status of the ignition voltage circuits and the fuel injector command circuits. When a fuel injector circuit condition is detected by the FICM, all of the fuel injectors on the affected ignition voltage circuit will be disabled.
Action Taken When the DTC Sets•The control module illuminates the malfunction indicator lamp (MIL) when the diagnostic runs and fails. •The control module records the operating conditions at the time the diagnostic fails. The control module stores this information in the Freeze Frame/Failure Records.
Why does my LB7 engine run like crap?
Still nothing. It only runs like crisp every now and then though now. Sometimes it runs fine other times other times it runs like crap. It gives the injector harness codes. Only thing left that we can think of is replace the whole wiring harness for the engine. Thinking a wire somewhere shorted out or something.