Mar 12, 2023
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Modern engine sensors exist to measure almost anything imaginable. Here we explain the what, why, and how of their measurements.
HOW COMPUTER CONTROL YOUR ENGINE cont...
HOW COMPUTER CONTROL YOUR ENGINE cont…
OTHER PCM FUNCTIONS On many vehicles the PCM also controls the transmission. But on some vehicles, a separate transmission control module (TCM) is used to oversee gear changes and the torque converter. But even if there’s a separate module for the transmission, the PCM and TCM talk to each other and share data so each knows what the other is doing.
On many newer vehicles, the PCM also regulates…
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