Engine temp gauge running hot

40

Asked by Feb 08, 2016 at 05:54 PM about the 2009 Toyota Camry

Question type: Maintenance & Repair

My check engine light came on the other day.
Before I could pull over the car stopped. Had it
towed. The next day It turned over. However, after
driving less than a mile the gauge started moving
up towards H. I've replaced the coolant temp
sensor and checked the thermostat. The car is NOT
leaking fluid. Both the ac and cooling fan work.
Please help.

10 Answers

I had the same issue on my 89' Camaro I found out it was a blown head gasket.

42,485

What you really need is a scan tool to read the check engine codes. Do you know anyone that has one? Will cut down on needless part replacing and guess work. How did you "check" your thermostat?

40

I put my thermostat in boiling water to make sure it was opened and closed. It did... I took the hose out of the over flow container and put it in water while the car was running to see if it boiled to determine if the gasket was blown. It did not.

40

I forgot to mention, When I took it to Auto Zone the code read that Coolant temp sensor needed to be replaced which is why I replaced it. After replacing it the light remained on and it continued to run hot. If the sensor or wire was bad would the fan still spin? The next day I turned the car on and the check engine light was not on. Yet the gauge moved towards H. That's when I checked the thermostat.

42,485

Just keep in mind that water boils at something like 212 degrees. Your thermostat is supposed to open at 180 degrees. If you just dropped it into boiling water, it may be opening at the higher temp and not the lower 180 temp. This would cause your car to get up into the higher heat range before the thermostat opens up. If you go through the trouble of taking out the thermostat, you should always just put in a new one. That way you can always be sure that it's not a thermostat issue. Have you felt the upper radiator hose when the engine is hot to make sure that the system is pressurizing? You may have a bad radiator cap. I would also remove the radiator cap and let the car run until it reaches operating temp, and see if the fluid is circulating. If everything seems to be operating fine, my next test would be to buy a head gasket test kit and see if your problem is with your head.

40

I believe we are getting somewhere. I took the cap off yesterday to check circulation at operating temp. It doesn't seem to be doing anything. This morning I squeezed the hoses at Operating temp with the cap off and they were pretty easy to close. Should this be? Are we getting somewhere?

40

I just put a thermometer in the radiator while the car was sitting idle and the temp is not moving... I drove around the block a few times and waited for the thermometer to go back to H. I think put the car in park and took the cap off and squeezed the upper radiator hose with no problem.

42,485

You will want to leave the cap on. Get the car to about mid level on the temp range, and then see if the hose is hard and pressurized. If it is soft, it means the cap is bad and losing pressure. If the cap is off, it will never pressurize.

40

I put coolant in and that seemed to have solved the problem.. It drove fine yesterday. It drove fine this morning Until I turned the heat on. Cold air blew out and it eventually overheated. Help?!

3 of 3 people found this helpful.
40

I can drive around for 20 minutes straight. When I turn off the car and touch the radiator cap it's yet cold. I can take it off feeling no heat where as before it would be to hot to touch.

1 of 1 people found this helpful.

Your Answer

Camry

Looking for a Used Camry in your area?

CarGurus has 101,199 nationwide Camry listings starting at $300.

ZIP:

Toyota Camry Experts

  • #1
    Reelin68
    Reputation
    13,880
  • #2
    Tom Demyan
    Reputation
    4,710
  • #3
    tenspeed
    Reputation
    3,050
View All

Related Models For Sale

Used Honda Accord
1,194 Great Deals out of 74,734 listings starting at $561
Used Toyota Corolla
969 Great Deals out of 65,052 listings starting at $850
Used Honda Civic
778 Great Deals out of 67,940 listings starting at $999
Used Nissan Altima
1,217 Great Deals out of 89,050 listings starting at $1,500
Used Toyota Avalon
253 Great Deals out of 17,827 listings starting at $1,600
Used Toyota RAV4
833 Great Deals out of 56,122 listings starting at $1,600
Used Hyundai Sonata
854 Great Deals out of 58,956 listings starting at $1,500
Used Toyota Highlander
569 Great Deals out of 37,596 listings starting at $2,450
Used Nissan Maxima
340 Great Deals out of 23,692 listings starting at $1,200
Used Honda CR-V
800 Great Deals out of 66,784 listings starting at $999
Used Chevrolet Malibu
1,161 Great Deals out of 67,659 listings starting at $880
Used Ford Fusion
1,013 Great Deals out of 69,515 listings starting at $888
Used Toyota 4Runner
361 Great Deals out of 27,311 listings starting at $1,750
Used Toyota Prius
397 Great Deals out of 17,961 listings starting at $1,200
Used Toyota Tacoma
736 Great Deals out of 50,681 listings starting at $1

Used Cars For Sale

2018 Toyota Camry For Sale
60,653 listings starting at $20,385
2017 Toyota Camry For Sale
55 Great Deals out of 4,647 listings starting at $11,888
2016 Toyota Camry For Sale
119 Great Deals out of 7,200 listings starting at $10,499
2015 Toyota Camry For Sale
157 Great Deals out of 6,115 listings starting at $9,295
2014 Toyota Camry For Sale
279 Great Deals out of 6,650 listings starting at $6,995

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.