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Cover the basics BEFORE swapping parts or tunes. They will just confuse the root cause.
Basics:
Fuel Pressure: FORD spec is 50, International is 70. I modified mine to run 63 PSIG.
Vehicle Voltage: FICM needs minimum 10.5 > volts (Batteries/Aletrnator should keep it over 12 volts.
FICM Voltage Output: Minimum is 48.5 Volts.
Boost: I would be dissapointed if my 6.0 would only do 25 Boost.
Injecter Control Oill Pressure: Minimum 500 PSI at idle and easily goes to 3500> when ya punch it.
If you are going to own a diesel and not be at the mercy of dealers (parts swappers) invest in the AutoEnginuity "Ford Package". All BASICS will be covered except for fuel pressure (install a permanent gauge).
and............ I really believe that ALL DEALERS are not parts swappers and there are some great techs at Ford and several help us out on this site. I just wish the DEALERS Service Manager would give the 'good techs' the time they need to diagnose these beasts.
Last edited by LocoMike; 11-08-2009 at 07:31 PM.
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