Why does the temp gauge on my Honda say zero?

Why does the temp gauge on my Honda say zero?

If it registers ‘zero’ then most probably the sending unit is faulty. If however it still registers a ‘full scale’ reading then either you have removed the wrong lead, there is a fault in the wiring or there is a fault in the instrument cluster/temp gauge

What should I do if my Honda Accord overheats?

Repair guides and support for the 5th generation Honda Accord coupe, sedan, and wagon. when starting the car the temp. gauge jumps to red hot ….I’ve been driving the car for 15 minutes max. one way thinking that the car may overheat but so far the car seems normal at these short distances. Answered! View the answer I have this problem too

What should the temperature gauge be on a hot engine?

With a hot engine it should measure 30-50 Ohms. If you measure around this value (or definitely not near 140 Ohms) with a cold engine then the unit is faulty and needs to be replaced. A quick test is to disconnect the lead from the sending unit, turn on the ignition and observe the temp. gauge.

Why does the temperature gauge on my Car Go Red?

When disconnecting single wire coolant sensor, and starting car gauge on dash stays at zero. However, when replacing with new sensor, gauge on dash goes to full red at startup, very surprised by this. Wondering what else can check for, seems this coolant temp sensor is at the end of the line of things.

How does the temperature gauge on a Honda work?

This sends a signal directly to the dashboard gauge. There is another coolant temperature sensor close by which sends a signal to the ECU to help in engine management. You shouldn’t get confused between the two as the one you want only has one wire and the other has two.

When disconnecting single wire coolant sensor, and starting car gauge on dash stays at zero. However, when replacing with new sensor, gauge on dash goes to full red at startup, very surprised by this. Wondering what else can check for, seems this coolant temp sensor is at the end of the line of things.

Repair guides and support for the 5th generation Honda Accord coupe, sedan, and wagon. when starting the car the temp. gauge jumps to red hot ….I’ve been driving the car for 15 minutes max. one way thinking that the car may overheat but so far the car seems normal at these short distances. Answered! View the answer I have this problem too

What should I do if my temp.gauge says zero?

A quick test is to disconnect the lead from the sending unit, turn on the ignition and observe the temp. gauge. If it registers ‘zero’ then most probably the sending unit is faulty.

How to test the temperature on a Honda?

Not quite certain if my figures are correct , but to test the sending unit, disconnect the single wire black connector and using a DMM (Digital Multimeter – Ohmmeter function) measure the resistance between the sending unit terminal and earth (or ground – the engine block will be earthed).

Is it normal for the temp.gauge to go red hot?

Yes, coolant level is fine! The temp. gauge goes to red hot or pinned as soon as I start the car cold. And…after approx. 15 min. driving locally, the engine doesn’t seem to be overheated. so I’m assuming that the thermostat is working fine. I’m just afraid to drive it longer or farther when the temp. gauge says red hot.

Why is the temperature gauge pinned hot on my Honda?

Cut repair costs, not quality. Since you are experiencing no overheating problems the most likely cause is that the engine coolant temperature sending unit is faulty. This sends a signal directly to the dashboard gauge. There is another coolant temperature sensor close by which sends a signal to the ECU to help in engine management.

With a hot engine it should measure 30-50 Ohms. If you measure around this value (or definitely not near 140 Ohms) with a cold engine then the unit is faulty and needs to be replaced. A quick test is to disconnect the lead from the sending unit, turn on the ignition and observe the temp. gauge.

Yes, coolant level is fine! The temp. gauge goes to red hot or pinned as soon as I start the car cold. And…after approx. 15 min. driving locally, the engine doesn’t seem to be overheated. so I’m assuming that the thermostat is working fine. I’m just afraid to drive it longer or farther when the temp. gauge says red hot.

How can I tell if my coolant temperature sensor is bad?

To diagnose the coolant temperature sensor, you need a repair manual for your car model to find what measurement values you should expect from the coolant temperature sensor. Connect an OBD2 Scanner and look for related trouble codes. Check the live data to see the temperature from the sensor.

If it registers ‘zero’ then most probably the sending unit is faulty. If however it still registers a ‘full scale’ reading then either you have removed the wrong lead, there is a fault in the wiring or there is a fault in the instrument cluster/temp gauge

Why did my car go to the red zone last night?

While driving last night, the temperature gauge went to 3/4’s and sometimes stayed in the red zone. Unlike the first time it overheated, there was no smoke coming from the engine. With a new thermostat housing, what could have caused the gauge to go to the red zone? Is it safe to drive the car 15 miles to the dealer?

Not quite certain if my figures are correct , but to test the sending unit, disconnect the single wire black connector and using a DMM (Digital Multimeter – Ohmmeter function) measure the resistance between the sending unit terminal and earth (or ground – the engine block will be earthed).