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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 484 (Automatic Transaxle Diagnosis, Service & Repair - 4T65-E) >> Description and Operation >> Definitions and Abbreviations >> Throttle Positions

Throttle Positions

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Engine Braking:  A condition where the engine is used to slow the vehicle by manually downshifting during a zero throttle coastdown.

Full Throttle Detent Downshift:  A quick apply of the accelerator pedal to its full travel, forcing a downshift.

Heavy Throttle:  Approximately 3/4 of accelerator pedal travel, 75 percent throttle position.

Light Throttle:  Approximately 1/4 of accelerator pedal travel, 25 percent throttle position.

Medium Throttle:  Approximately 1/2 of accelerator pedal travel, 50 percent throttle position.

Minimum Throttle:  The least amount of throttle opening required for an upshift.

Wide Open Throttle (WOT):  Full travel of the accelerator pedal, 100 percent throttle position.

Zero Throttle Coastdown:  A full release of the accelerator pedal while the vehicle is in motion and in drive range.

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