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 MANUALSCHEVROLET1982CAMARO V8-305 5.0L VIN H 4-BBLREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORADJUSTMENTSCOMPUTER COMMAND CONTROL (C3) SYSTEM ONLY
1982 Chevrolet Camaro V8-305 5.0L VIN H 4-bbl
Computer Command Control (C3) System Only
1982 Chevrolet Camaro V8-305 5.0L VIN H 4-bblSECTION Computer Command Control (C3) System Only
Fig. 24 Throttle Position Sensor (TPS) adjustment screw plug removal:
Fig. 27 Throttle Position Sensor (TPS) adjustment specifications.:
NOTE: Do not remove plug sealing TPS adjustment or adjust TPS unless carburetor is overhauled or "Computer Command Control (C3)" system diagnosis indicates a problem with the switch.
1. Drill a .078 (5/64) inch hole, 1/16-1/8 inch deep, in plug covering TPS adjustment, Fig. 24.
2. Thread a No. 8 sheet metal screw into hole and pry out plug using a suitable lever.
3. Remove TPS adjusting screw using tool J-28696 or equivalent.
4. Leaving electrical connector in place, connect a digital voltmeter between TPS center terminal (B) and bottom terminal (C), using jumper wires if necessary. Only a digital voltmeter with 10 megohm input impedance or higher can be used. Conventional voltmeters do not have sufficient resistance to obtain accurate readings.
5. With ignition on, engine stopped and A/C off, install TPS screw and adjust quickly to obtain specified TPS idle voltage, Fig. 27.
6. Turn ignition off and install new plug over TPS adjusting screw.
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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.