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 MANUALSPONTIAC1984FIERO BASE, STANDARD, MY8REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMFUEL INJECTION SYSTEM - SINGLE UNIT TBIOVERHAULREASSEMBLYTHROTTLE POSITION SENSOR (TPS)
1984 Pontiac Fiero Base, Standard, MY8
Throttle Position Sensor (TPS)
1984 Pontiac Fiero Base, Standard, MY8SECTION Throttle Position Sensor (TPS)
Place throttle valve in normal closed idle position. Install TPS on throttle body with pick-up lever above throttle actuator lever. Install retainer, lock washers and 2 new attaching screws (coated with locking compound).
NOTE:
TPS adjustment must be done with throttle body installed on vehicle. See appropriate article in TUNE-UP section.
RENDER: 1.0x
NO RELATED
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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.