Why is the temperature gauge on my Chevy truck not working?

Why is the temperature gauge on my Chevy truck not working?

All I have the same issue, I own a 1996 chevy pickup c1500, before I replaced the temperature gauge sensor, the gage read two lines below 210, after I replace the temp gradually climbs but the engine not as hot as where the gage reads, need advice stephan is on point for the diagnostic procedure. First.it’s not a thermostat issue.

How to troubleshoot a no start GM 4.3L pick up?

Testing a Cranks but Does Not Start condition on your GM 4.3L, 5.0L, 5.7L pick up, van or SUV is not that hard to do, if you have a solid diagnostic strategy. In this article I’ll show you the basics of testing such a problem.

Why does my GM car say no start no crank?

How to diagnose a no start no click on GM vehicle. If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that.

Is there a problem with the GM blower motor?

If you have a General Motors car or truck from 2002 through 2008 you’ll probably have a blower motor issue at some point. In many cases it’s a problem with the GM blower motor module. The most common complaint when this part fails is the motor will not turn on at all.

What should the engine temperature be after 10 minutes?

Drive a car for 10 minutes and check the engine temperature again, it should be close to 180-220°F or 82-105°C. See the photo. Without a scan tool, the engine temperature sensor can be tested with an ohmmeter.

All I have the same issue, I own a 1996 chevy pickup c1500, before I replaced the temperature gauge sensor, the gage read two lines below 210, after I replace the temp gradually climbs but the engine not as hot as where the gage reads, need advice stephan is on point for the diagnostic procedure. First.it’s not a thermostat issue.

What should coolant temp be when car is cold?

If you have a scan tool with live data, check the engine temperature when the engine is cold, it should be close to outside temperature. Drive a car for 10 minutes and check the engine temperature again, it should be close to 180-220°F or 82-105°C. See the photo. Without a scan tool, the engine temperature sensor can be tested with an ohmmeter.

Can a bad coolant sensor cause a car to not start?

Some cars use the engine coolant temperature sensor to control the electric cooling fans. You have two separate temperature sensors for the fans, dashboard gauge, and engine management in most cars. However, if your car has a single sensor, a bad engine coolant temperature sensor may result in your fans won’t start at all.

Where is the temp sensor on a GM Truck?

Replace the “temp switch”. It’s on the right side of the block, in between the exhaust headers, it’ll have a single green wire going to it from past the alternator. They cost like $20, and it’s an easy replacement. Be sure to get the “temp SWITCH” and NOT the “temp SENSOR”.

What should I do if my engine temperature sensor is not working?

The guage should stay to the left. Now with the key still on, momentairly ground that wire to the engine. Your guage should peg out. If it does both of these correctly, then you need a new temp sensor. If it does anything else with either of these two tests, then it’s a dash cluster/guage problem. Check your thermostat first!

Is it safe to drive without a temperature gauge?

It’s not safe to drive without a temperature gauge, but you may want to try an aftermarket solution in the meantime, so you can keep an eye on the temperature. You don’t need to make a permanent installation; just secure it properly and use it while you wait for the replacement.

Replace the “temp switch”. It’s on the right side of the block, in between the exhaust headers, it’ll have a single green wire going to it from past the alternator. They cost like $20, and it’s an easy replacement. Be sure to get the “temp SWITCH” and NOT the “temp SENSOR”.

The guage should stay to the left. Now with the key still on, momentairly ground that wire to the engine. Your guage should peg out. If it does both of these correctly, then you need a new temp sensor. If it does anything else with either of these two tests, then it’s a dash cluster/guage problem. Check your thermostat first!

What should I do if my Guage sensor is not working?

Your guage should peg out. If it does both of these correctly, then you need a new temp sensor. If it does anything else with either of these two tests, then it’s a dash cluster/guage problem. Check your thermostat first! If your thermostat is bad, the engine will never warm up, and that can make it look like the gage is bad.

What happens to my GMC Sierra 1500 when I hit a bump?

All my gauges jump up except my battery, that drops to bout 12. All interior and exterior lights dim and radio shuts off. engine jumps to bout 2500 rpm and stutters, when i let off the gas everything goes back to normal. Mainly happens when i hit a large bump or i get on the gas to pass or accelerate after a turn.

What should the ground be on a GMC Sierra 1500?

I would start looking with the ground connections. If it was an alternator, the battery would carry the load. There should be both a ground to the engine and to the frame. 38 people found this helpful. Yep, and that ground often is a bare flat strip of braided copper or steel, going from engine to firewall 37 people found this helpful.

What should the temp be on my GM Truck?

If I turn the key but not start the truck the gauge goes up to probably 180 now that it is cooler and will sit there just fine. When I start the truck, the needles all sweep to the left and go back. Temp goes back to 180 for a few seconds. About the time the flashing airbag light goes off, the gauge goes back down to 160.

Why is my engine temp not working on my Silverado?

I have a 2014 Silverado Z-71. One day I noticed the cooling fans staying on longer after engine shut off, thought nothing of it. Then one day the check engine light was on so I had the codes ran and it said it was either the thermostat or the temp sensor, but then the light went off and all was good.

Why is my engine temperature sensor not working?

If it does both of these correctly, then you need a new temp sensor. If it does anything else with either of these two tests, then it’s a dash cluster/guage problem. Check your thermostat first! If your thermostat is bad, the engine will never warm up, and that can make it look like the gage is bad. Are you sure it’s warming up properly?

Your guage should peg out. If it does both of these correctly, then you need a new temp sensor. If it does anything else with either of these two tests, then it’s a dash cluster/guage problem. Check your thermostat first! If your thermostat is bad, the engine will never warm up, and that can make it look like the gage is bad.

If it does both of these correctly, then you need a new temp sensor. If it does anything else with either of these two tests, then it’s a dash cluster/guage problem. Check your thermostat first! If your thermostat is bad, the engine will never warm up, and that can make it look like the gage is bad. Are you sure it’s warming up properly?

What to do if your car temperature gauge is inoperative?

To diagnose an inoperative temperature gauge, you’ll need to test the coolant temperature sensor and the wiring for that circuit. You should have a service or repair manual written for your specific vehicle prior to attempting these tests.