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 MANUALSCHEVROLET1982CITATION V6-173 2.8L VIN X 2-BBLREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORADJUSTMENTS
1982 Chevrolet Citation V6-173 2.8L VIN X 2-bbl
Throttle Position Sensor: Adjustments
1982 Chevrolet Citation V6-173 2.8L VIN X 2-bblSECTION Adjustments
Fig. 29 Throttle Position Sensor (TPS) adjustment specifications. E2SE Carburetor:
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 sensor.
1. Using a 5/64 inch drill, make a hole in TPS adjustment screw hole plug. Use caution to prevent damaging TPS adjustment screw.
2. Using suitable slide hammer, remove plug from hole.
3. Disconnect TPS connector, then using suitable wires, jumper all three terminals.
4. Connect digital ohmmeter J-29125-A or equivalent to TPS connector center terminal (B) to bottom terminal (C).
5. With ignition On and engine not running, turn TPS screw with suitable screwdriver to obtain specified TPS idle voltage, Fig. 29.
6. Turn ignition Off, then install new plug over TPS adjustment hole.
RENDER: 1.0x
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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.