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 MANUALSPLYMOUTH1990VOYAGER SE, 2.5 J, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM/COMPONENT TESTSPOOR PERFORMANCE TESTSCOOLANT TEMPERATURE SENSOR (CTS) TEST
1990 Plymouth Voyager SE, 2.5 J, Automatic
Coolant Temperature Sensor (Cts) Test
1990 Plymouth Voyager SE, 2.5 J, AutomaticSECTION Coolant Temperature Sensor (Cts) Test
With key off, disconnect wire connector from sensor. Connect ohmmeter between sensor terminals. See COOLANT TEMPERATURE SENSOR RESISTANCE SPECIFICATIONS. If ohmmeter readings are not within specification, replace CTS.
COOLANT TEMPERATURE SENSOR RESISTANCE SPECS
| Temperature | Resistance |
|---|---|
| 200°F (93°C) | 700-1000 ohms |
| 70°F (21°C) | 7000-13,000 ohms |
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.