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Power Strokes
7.3 Tech
TCC code P0741 - need advice
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[QUOTE="Mark Kovalsky, post: 1216383, member: 1654"] There is no calibration between vehicle speed and throttle position. I think I know what you mean, and this doesn't exist. At any road speed you can be at any throttle position. 10% larger tires makes NO difference in what the vehicle speed sensor sends to the PCM. There is a difference made from engine RPM to actual road speed, but the VSS and PCM don't know that, and it also doesn't matter to them at all. It will NOT affect the transmission shifting, it will only affect the reading on the speedometer compared to actual vehicle speed. Actual vehicle speed doesn't matter, only the rotational speed of the axle matters. And compared to engine speed, that doesn't change no matter what size tire you install. [/QUOTE]
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TCC code P0741 - need advice
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