Why doesn t my temperature gauge go up?
The most common cause of faulty temperature readings is a broken coolant temperature sensor (CTS). The part, which is normally located near a vehicle’s thermostat near the base of the radiator (consult your owner’s manual or repair guide) can get gunked up and fail.
What causes an engine temperature gauge to stay on cold?
Reasons Why your Engine Temperature Gauge Stays on Cold 1. Faulty Engine Coolant Temperature Sensor 2. Faulty Gauge/Cluster 3. Broken wires to the sensor or to the gauge 4. Bad Thermostat 5. Corrosion in connectors 6. Air in the coolant system 7. Broken engine control unit
What to do if your car temp gauge is not working?
Bypass Temperature Sensor – Connect a jumper wire between the 2 pins of temperature sensor harness connector. If temperature gauge indicates hot, replace coolant temperature sensor. If temperature gauge does not indicate hot, go to next step. 3. Check Red/White Wire For Short To Ground – Turn ignition off.
What should the temp of the coolant sensor be?
Check that the temperature value of the CTS is around 80-90c when the engine is hot. A lot of engine coolant temperature sensors have two wires and the sensor is controlled by Ohm. Get a wiring diagram and find out what ohms you should have at a specific temperature to check the function.
Why is my Ford coolant gauge not working?
A lot of Ford’s have 2 different coolant temp sensors. 1 for the pcm and 1 for the gauge. They are NOT interchangeable. One or both may be bad or they may be the wrong ones. Was this answer helpful? Similar prob: 94 toyota truck my gauge says cold. Idle high at stop lites. It was overheating and took therma out.
Reasons Why your Engine Temperature Gauge Stays on Cold 1. Faulty Engine Coolant Temperature Sensor 2. Faulty Gauge/Cluster 3. Broken wires to the sensor or to the gauge 4. Bad Thermostat 5. Corrosion in connectors 6. Air in the coolant system 7. Broken engine control unit
Bypass Temperature Sensor – Connect a jumper wire between the 2 pins of temperature sensor harness connector. If temperature gauge indicates hot, replace coolant temperature sensor. If temperature gauge does not indicate hot, go to next step. 3. Check Red/White Wire For Short To Ground – Turn ignition off.
What does the temperature of the coolant mean?
If the temperature gauge reads high, your car could be leaking coolant or have a bad water pump. The temperature gauge in your vehicle is designed to indicate the temperature of your engine’s coolant. This gauge will tell you if your engine’s coolant is cold, normal, or overheating.
A lot of Ford’s have 2 different coolant temp sensors. 1 for the pcm and 1 for the gauge. They are NOT interchangeable. One or both may be bad or they may be the wrong ones. Was this answer helpful? Similar prob: 94 toyota truck my gauge says cold. Idle high at stop lites. It was overheating and took therma out.