Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSISUZU1996TROOPER S, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 26 (ENGINE CONTROLS - SYSTEM/COMPONENT TESTS - 3.2L V6)ENGINE SENSORS & SWITCHESENGINE CONTROLS - SYSTEM/COMPONENT TESTS - 3.2L V6THROTTLE POSITION (TP) SENSOR
1996 Isuzu Trooper S, Automatic
Throttle Position (TP) Sensor
1996 Isuzu Trooper S, AutomaticSECTION Throttle Position (TP) Sensor
WARNING: This page is about a different car, the 1996 Honda Passport. However, it is still accessible from the selected car via links, so may be relevant.
- TP sensor circuit malfunction should set a related DTC. If so, see related TESTS W/CODES - 3.2L V6 article. Also see TP SENSOR ADJUSTMENT in ADJUSTMENTS - 3.2L V6 article.
- Install jumper wires to enable connection of a DVOM in parallel between TP sensor harness connectors. Connect DVOM positive lead to Dark Blue wire terminal. Connect negative lead to Black wire terminal.
- Turn ignition on, engine off. Slowly depress accelerator pedal. Signal voltage should gradually change from less than one volt at closed throttle to about 5.0 volts at wide open throttle position. If reading is not as specified, replace TP sensor.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.