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Throttle Position (TP) Sensor

NOTE: To identify TP sensor terminals, see Fig 1.
THROTTLE POSITION SENSOR RESISTANCE

Application Ohms
Between Terminals E2 & IDL (1) 0-2300
Between Terminals E2 & IDL (2) Infinity
Between Terminals E2 & VC 4000-8500
Between Terminals E2 & VTA (3) 200-6000
Between Terminals E2 & VTA (4) 3300-10,000
(1) With .016" (.40 mm) feeler gauge installed between throttle stop screw and lever.
(2) With .035" (.89 mm) feeler gauge installed between throttle stop screw and lever.
(3) With zero clearance between throttle stop screw and lever.
(4) Throttle valve at fully open position.
Fig 1: Identifying Throttle Position Sensor Terminals
G93F78118Courtesy of GENERAL MOTORS CORP.
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