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Throttle Position (TP) Sensor

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

Measure Resistance Between Terminals Ohms
E2 & IDL (1) 0-2300
E2 & IDL (2) Infinity
E2 & VC 3000-8500
E2 & VTA (3) 200-6000
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 (Prizm)
G93F78118Courtesy of GENERAL MOTORS CORP.
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