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 MANUALSHYUNDAI1994EXCEL GS, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROLS - ADJUSTMENTSTHROTTLE POSITION SENSOR (TPS)
1994 Hyundai Excel GS, Standard
Throttle Position Sensor (TPS)
1994 Hyundai Excel GS, StandardSECTION Throttle Position Sensor (TPS)
- With ignition off, connect Test Harness (09351-33000) between TPS and harness connector. Connect a digital voltmeter between both terminals of test harness leads.
- Turn ignition switch to ON position with engine off. Check TPS voltage. If reading is not .48-.52 volt, loosen throttle cable. Loosen TPS mounting screws. Turn TPS clockwise (increase) or counterclockwise (decrease) until correct voltage is obtained.
- After adjustment, tighten TPS screw to 13-22 INCH lbs. (1.5-2.5 N.m).
- Turn ignition off, and disconnect digital voltmeter. Tighten throttle cable. Disconnect vehicle battery for at least 15 seconds to erase diagnostic memory. Reconnect battery. Start engine and check idle speed.
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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.