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.
1986 Toyota Pickup Base, 22-RTE, R151FFACTORY OEM SERVICE PROCEDURE
Throttle Position Sensor (TPS)
- Loosen 2 TPS retaining screws. Insert a thickness gauge between throttle stop screw and throttle. With ignition off and electrical connector disconnected, connect ohmmeter between terminals IDL and E1 or E2. See Figure.THROTTLE POSITION SENSOR ADJUSTMENT
Model Gap In. (mm) All Models .019 (.47) - Gradually turn TPS counterclockwise until ohmmeter needle deflects. Secure TPS retaining screws. Using a thickness gauge, recheck the continuity between terminals IDL - E1 or E2.
Factory Service Tools
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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.
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