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 MANUALSPLYMOUTH1984HORIZON BASE, 1.6 AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 37 (ENGINE CONTROLS - SYSTEM/COMPONENT TESTS)ENGINE SENSORS & SWITCHESCOOLANT TEMPERATURE SENSOR
1984 Plymouth Horizon Base, 1.6 A
Coolant Temperature Sensor
1984 Plymouth Horizon Base, 1.6 ASECTION Coolant Temperature Sensor
WARNING: This page is about a different car, the 1994 Plymouth Laser and 1994 Eagle Talon. However, it is still accessible from the selected car via links, so may be relevant.
- Coolant temperature sensor is located on intake manifold. Remove coolant temperature sensor. Place sensing portion of coolant temperature sensor in water.
- Gradually heat water and read resistance values across terminals. See COOLANT TEMPERATURE SENSOR RESISTANCE table. If coolant temperature sensor resistance is not within specification, replace sensor.
COOLANT TEMPERATURE SENSOR RESISTANCE
| Temperature: °F (°C) | Ohms |
|---|---|
| 32 (0) | 5900 |
| 68 (20) | 2700 |
| 104 (40) | 2500 |
| 176 (80) | 300 |
RENDER: 1.0x
NO RELATED
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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.