Difference between revisions of "Throttle Position"
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Revision as of 16:36, 27 November 2011
This is the reading from the potentiometer at the manifold - it is not a reading from the accelerator pedal
You may see that this reading never reaches 0%, and in some cases does not also reach 100%. There are a few reasons for this:
- The reading is relative. 13% on the potentiometer may be fully 'closed' in terms of throttle. On some vehicles this also represents the idle state (on these vehicles 0% would mean fully closed throttle - no air=engine stall).
- For readings that do not reach 100%, this may also be due to the relative reading of the potentiometer. The ECU map may also contribute to this as on some vehicles the throttle (controlled by the ECU) will close slightly at higher RPM - the VW Fox is one such vehicle that does this over 3000RPM.
