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 SYSTEMSCOOLANT TEMPERATURE SENSOR/SWITCH (FOR COMPUTER)TESTING AND INSPECTIONHELPFUL INFORMATION
1996 Dodge and Ram Neon L4-2.0L SOHC
Helpful Information
1996 Dodge and Ram Neon L4-2.0L SOHCSECTION Helpful Information
The engine coolant temperature sensor is case grounded. The case ground provides the ground for the coolant temperature gauge circuit G20.
Circuit K4 splices to supply ground for the signals from the following:
- Upstream heated oxygen sensor
- Downstream heated oxygen sensor
- Camshaft position sensor
- Crankshaft position sensor
- Battery temperature sensor
- Throttle position sensor
- Manifold absolute pressure sensor
- Knock sensor
- Intake air temperature sensor
- Vehicle speed sensor
Circuit K4 splices to supply ground for the signals from the following:
- Upstream heated oxygen sensor
- Downstream heated oxygen sensor
- Camshaft position sensor
- Crankshaft position sensor
- Battery temperature sensor
- Throttle position sensor
- Manifold absolute pressure sensor
- Knock sensor
- Intake air temperature sensor
- Vehicle speed sensor
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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.