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Power Strokes
6.7 Aftermarket
CP4 Inlet Pressure Spec?
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[QUOTE="CATDiezel, post: 791675, member: 4387"] That's correct... Man Im stepping out here, Steve probably knows a fair bit more on how its setup. Logically thinking here, the ECM has no idea it has 2 hpfp's The wiring is running parallel to the second pump through a split harness adapter... They are both controlled the same with the same signal from the ECM. The tuning is just adding high pressure where they probably couldnt before, but now can. Your "STILL" calling for the same amount of fuel at X-rpm and X-pulsewidth, They are just making sure your high pressure is maintaining its desired level. The purpose of "DUAL FUELERS" is not so much technically a power adder as it is a support item so they can continue on with the injection event without delay. [/QUOTE]
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