Question about Toyota Camry

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The temperature gauge on my 2001 toyota camry is moves up when the car is idling and overheating, when the car is moving it returns to normal. what is the problem?

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It is most likely the cooling fans are not working ,check the fuse ,and the relay for them,also the coolant sensor will cause them not to come on.

Posted on Aug 02, 2010

  • 4 more comments 
  • marty_crosse Aug 02, 2010

    the fans come on when the AC is on

  • marty_crosse Aug 03, 2010

    the fans are working when the AC is on. What is the problem?

  • marty_crosse Aug 03, 2010

    my question was never answered, please credit my credit card back with my $12.99.

  • Ronny Bennett Sr.
    Ronny Bennett Sr. Aug 09, 2010

    I am so sorry,I do not blame you for being upset,I never got you message,but I would check the coolant level,and make sure they is no air in the cooling system,also,check for leaves,and other debris in the radiator.

  • Ronny Bennett Sr.
    Ronny Bennett Sr. Aug 09, 2010

    When the vehicle is moving,then the air is cooling the radiator,turn the ac off,and see if the cooling fans are coming on,before the temp gets above normal,if not,replace the coolant sensor,this is what turns the cooling fans on,if the sensor is not working correctly the cooling fans will not turn on,when they turn on,make sure they turn off on there own too,if they do,then the coolant sensor is good,if they do not,then the sensor is bad,but after replacing the sensor,bleed the air from the cooling sensor.

  • Ronny Bennett Sr.
    Ronny Bennett Sr. Aug 09, 2010

    Again,I am really sorry,I never got the text you where trying to send,I just happen to be cheking all my solutions and seen where you where upset,and I checked to see why,and found your text,I am so sorry for the technical difficulty.



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When stopped at a stop light my oil gauge goes down and my temperature gauge goes up on my 94 Chevy 1500 truck. I just changed the oil yesterday? What could it be?

Both issues could be normal to a degree. The engine temp would go up some when the truck stops moving, and the oil pressure would go down some when the engine returns to idle.
Are the two gauges reading out of normal range ?

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Temp. gauge don't move past half on 1996 VW Jetta

Sounds normal. If the gauge moved further over, it would indicate an overheating problem, wouldn't it? Check that engine is at normal operating temperature after it warms up. If it is running too cold, your thermostat might be stuck open.

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2001 Oldsmobile Silhouette...Overheating, changed the thermostat, no signs of leaking, and the oil looks fine. At idle it takes 20 minutes to max the temperature gauge (red) and while driving it take

Usually the problem with no heat and overheating is low coolant, thermostat, or a faulty water pump impeller.
The radiator may not be full of liquid coolant, or the pump may not be moving the coolant thru the block.

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Radiator fans are not working on 2009 Toyota Camry 4 cyclinder. A/C compressor cuts off while idling, and dashboard temperature gauge shows a hot temperature when idling but not when moving. Is it likely...

Dear An,
You have two different systems, but since you car is "newer", they are made to try to help each other if there is a problem.
Let's address the "overheat" problem first, then go to the A/C.
A good mechanic can check the electric engine-cooling-fan for function by "hot-wiring " it.
That fan is actuated by an engine temperature sensor that screws into the engine block.
These sensors can fail, as can the next item in the circuit, which is a relay, usually found in the black plastic box under the hood.
One of those two items should be the cause of the overheat, the way you have described it.
Sensors cost roughly $20 at a car parts store, as do these relays.
The reason the A/C shuts off is likely to prevent overheating at a stop light,
God bless your efforts.

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Temperature guage goes to high, but it doesn't appear that the van is overheating (no steam/fluid leaking) Radiator & thermostat were recently replaced. Guage will jump to high when idle, but...


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When idling my jeep overheats. The cooling fan is running and it speeds up when temperature goes up. The temperature gets close to 260 degrees and the engine tries to stall. when I start moving it cools...

At idling speed an engine does build up a lot of heat and the cooling fan will kick in. In slow moving traffic or traffic jams the temperature gauge can touch the red - particularly on hot days. The reason it cools down when you start moving is because of the air flow through the radiator.

Presumably there are no leaks from the cooling system otherwise you would have mentioned it. In normal circumstances the fan will not be running as you are driving at speed, as the air-flow through the radiator is sufficient to cool things. The fan only kicks in to get rid of excess heat - and this usually occurs at idling speed or after you have parked the car.

If the fan is running all the time as you drive, this points to either a fault in the fan switch, or the car is running too hot. presumably in normal driving the fan isn't running and the temperature gauge reads normal?

It is common - in stationary traffic many cars overheat (particularly big engined models) try to stall and 'cut out'. Restarting can be difficult until the engine cools down.

Is your car overheating in normal driving conditions or just at idle speed? Overheating in normal driving conditions can be caused by things like a failing water pump, blocked radiator, collapsed hose, faulty thermostat or, in the worst case scenario, cylinder head problems.

Overheating at idling speed is 'common'. Check your coolant level. If your car isn't using/losing coolant then there probably is no major problem. You can flush out the cooling system and refill with new coolant - and also check your radiator. Are the cooling fins crumbling with age? Or maybe they're partly clogged with insects and debris from the road? A blast with a hosepipe wil sort that out ..

The question is how much does your car overheat in normal driving? If it doesn't .. it appears as though you have nothing to worry about as such. Most cars have 2 speed fans... the 2nd faster stage kicks in at some point dependant on engine temperature. Perfectly normal.

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Hello... You should not be concerned... This is normal... Also, normally you should not hear the thermostat. But the Fans don't normally turn on until about 100 degrees centigrade....

Good Luck

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Location of engine coolant temperature sensor

This sensor is a one wire which is normally around t'stat housing. You can start by grounding the wire(s) there one at a time to see if the dash light or gauge comes or move. If it does, that is the sensor wire and sensor should be close by.

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