Quote:
Originally Posted by
Kurbens
You only need to have ignition on when calibrating the throttle, do not do it with engine running! That would wake up the neighbours...
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That is not correct.
While you can do it without the engine running, the PCV will not get an accurate base reading of TPS voltage during the calibration. The TPS voltage is slightly different when the engine is running. As you want the fuelling to suit a running engine, it is best to do the TPS calibration when it's running.