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 MANUALSCHEVROLET1995CAMARO V6-204 3.4L VIN S SFIREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCOOLANT TEMPERATURE SENSOR/SWITCH (FOR COMPUTER)TESTING AND INSPECTION
1995 Chevrolet Camaro V6-204 3.4L VIN S SFI
Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
1995 Chevrolet Camaro V6-204 3.4L VIN S SFISECTION Testing and Inspection
A Tech 1 scan tool displays engine coolant temperature (ECT) in degrees centigrade. After the engine is started, the temperature should rise steadily to about 90°C (194°F) then stabilize when the thermostat opens. If the engine has not been run for several hours (overnight) the engine coolant and intake air temperatures should be within 5 degrees of each other. A fault in the ECT sensor circuit should set a DTC 14 or DTC 15. The Diagnostic Trouble Code (DTC) charts also contain a "Diagnostic Aid" chart to check for sensor resistance values relative to temperature.
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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.