99 & up 7.3L Power Stroke Engine and DrivetrainDiscussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.
The main sensor that affects fuel timing is the Engine Oil Temp (EOT)sensor. I believe it's mainly for starting, advancing timing when engine oil is cold, then backing off as it warms up.
Barometric Pressure sensor (BARO) also affects engine timing, although I don't know how it affects it. Probably advances timing at higher altitude, but that's just a guess.
The CPS only tells the PCM where TDC is, but I suppose you could say that the CPS affects timing.
Thanks guys, that will give me a place to start. klhansen, what part of Alaska is Eagle River in? I have family in and around Fairbanks. Before I had a life I spent my summers there, I really miss it.
Mike
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F250 7.3 LB SC,auto,3.55 LS,82,000 miles,deep trans pan, 03 SD trans cooler,3" DP,no kitty,Tymar intake,Optix gauges(pyro,trans temp,boost,coolant temp), SD intercooler W/Banks pipes, TW custom tunes 
), AIS, 
Linear Mode
