Operation CHARM: Car repair manuals for everyone.
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Throttle Position

Minimum Throttle - the least amount of throttle opening required for an upshift.
Light Throttle - approximately 1/4 of accelerator pedal travel.
Medium Throttle - approximately 1/2 of accelerator pedal travel.
Heavy Throttle - approximately 3/4 of accelerator pedal travel.
Wide Open Throttle (WOT) - full travel of the accelerator pedal.
Full: throttle Detent Downshift - a quick application of the accelerator pedal to its full travel, forcing a downshift.
Zero Throttle Coastdown - full release of the accelerator pedal while the vehicle is in motion and in drive range.
Engine Braking - a procedure where the engine is used to slow the vehicle by manually downshifting curing a zero throttle coastdown.