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.
1982 Eagle Eagle L4-151 2.5LFACTORY OEM SERVICE PROCEDURE
Throttle Position Sensor: Adjustments
Fig. 13 Throttle position sensor adjusting screw & plug:
Fig. 14 Connecting digital voltmeter to TPS connector:
NOTE: Do not perform this adjustment unless diagnosis indicates that the TPS sensor is need of adjustment or if air horn, float bowl or TPS sensor replacement is necessary.
1. Drill a 5/64 inch hole, 1/16 to 1/8 inch deep, in plug covering TPS adjusting screw, Fig. 13.
2. Using a small slide hammer or other suitable tool remove plug.
3. Disconnect TPS electrical connector and connect jumper wires between connector terminals, Fig. 14. Use 16, 18 or 20 gauge wire approximately 6 inches long for jumper wires.
4. Connect a suitable digital voltmeter between center terminal and bottom terminal.
5. With ignition switch in the On position, engine not running, A/C off and throttle at curb idle position, turn TPS adjusting screw until a voltmeter reading of 0.26 volts is obtained.
6. After completing adjustment, install replacement cup plug over TPS adjusting screw opening.
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.