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 MANUALSBMW1994318IS (E36) L4-1796CC 1.8L DOHC (M42)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSSENSORS AND SWITCHES - COMPUTERS AND CONTROL SYSTEMSCOOLANT TEMPERATURE SENSOR/SWITCH (FOR COMPUTER)TESTING AND INSPECTION
1994 BMW 318is (E36) L4-1796cc 1.8L DOHC (M42)
Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
1994 BMW 318is (E36) L4-1796cc 1.8L DOHC (M42)SECTION Testing and Inspection
RESISTANCE TEST
- Drain coolant.
- Remove the coolant temperature sensor.
- Submerge sensor element in water and measure the resistance across sensor terminals.
@ 68° F = 2.2 K - 2.7 K ohms
@ 176° F = 290 - 360 ohms
Replace the sensor if the correct results are not obtained.
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.