Join Date: Apr 2008
Location: Beeville, TX
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You injectors are hydraulically activated (using engine oil). That High Pressure Oil Pump pressurizes the injectors with engine oil. The pump that is put in the older trucks (and vans) is what's called a 15 degree pump. It doesn't pump as much oil as a newer 17 degree pump. When you demand more oil than the pump can supply, the computer throws a code (P1211 - ICP below desired mount). ICP is Injection Control Pressure, it's what ford calls your high pressure oil. Basically it won't hurt anything, but it will throw a code. IF you get a custom chip from Tony Wildman (Total Diesel Performance), it will make the code go away automatically. It won't change the fact that you are using all the high pressure oil you have.
One thing that the Wildman chip will do for you is use that oil more effectively than a edge evolution will. My brother used to run a Superchip tuner in his truck, and he got codes all the time. The performance was okay, but not great. Now he runs a TW chip, and the power is much better, and the thing doesn't throw codes.
The most important thing that TW chip will give you over an Edge is the transmission tuning. Edge is famous for it's poor transmission tuning. It *will* wreck your transmission. TW actually tunes your transmission to handle the extra power safely.
Eli Benson - EMT, Ambulance Mechanic
'08 F350 Dually KR - Spartan'd
'07 F250 CC SB 4x4 XLT - SCT /w Innovative Tunes
4 '09 & '10 E350 6.0l ambulances
1 '08 Duramax 6.6 (LMM) van ambulance