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 MANUALSDODGE AND RAM1996NEON L4-2.0L SOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORTESTING AND INSPECTIONCOMPONENT TESTING
1996 Dodge and Ram Neon L4-2.0L SOHC
Component Testing
1996 Dodge and Ram Neon L4-2.0L SOHCSECTION Component Testing
The Throttle Position Sensor (TPS) can be tested with a digital voltmeter (DVM). The center terminal of the sensor is the output terminal. One of the other terminals is a 5 volt supply and the remaining terminal is ground.
Connect the DVM between the center and sensor around terminal.
With the ignition switch in the ON position, check the output voltage at the center terminal wire of the connector. Check the output voltage at idle and at Wide-Open-Throttle (WOT).
- At idle, TPS output voltage should be approximately 0.38 volts to 1.03 volts.
- At wide open throttle, TPS output voltage should be approximately 3.1 volts to 4.0 volts.
- The output voltage should gradually increase as the throttle plate moves slowly from idle to WOT.
Check for spread terminals at the sensor and PCM connections before replacing the TPS.
Connect the DVM between the center and sensor around terminal.
With the ignition switch in the ON position, check the output voltage at the center terminal wire of the connector. Check the output voltage at idle and at Wide-Open-Throttle (WOT).
- At idle, TPS output voltage should be approximately 0.38 volts to 1.03 volts.
- At wide open throttle, TPS output voltage should be approximately 3.1 volts to 4.0 volts.
- The output voltage should gradually increase as the throttle plate moves slowly from idle to WOT.
Check for spread terminals at the sensor and PCM connections before replacing the TPS.
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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.