Question about Ford Expedition

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Coolant temperature gauge goes up down

When I'm driving my1999 ford expedition the coolant gauge goes up not quite to the red zone but past the middle and when I stop my truck it goes back down to the middle and I've replaced the thermostat

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  • Ford Master
  • 85,108 Answers

Did you bleed the air from the cooling system?

Posted on Mar 10, 2014

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 29 Answers

SOURCE: Car Overheats after 12 to 15 minutes of running. Temperature decreaes when I accelerate.

your fan is the problem...it's not turning fast enough to cool the engine off. I need more info on what type of fan you have....elec fan or a clutch fan?

Posted on Apr 24, 2009

  • 218 Answers

SOURCE: Where is the coolant temperature sensor located on 2000 Altima?

THE SENSOR FOR THE GAUGE IS ON THE HOUSING THE UPPER RADIATOR HOSE ATTACHES TO.

Posted on May 07, 2009

MNfisherman
  • 11896 Answers

SOURCE: Mini Cooper temperature gauge goes to red zone, fan comes on

If you have a new thermostat, then your temp sensor is faulty. If sensor is new, then it is the wiring to sensor or problem with the ECM

Posted on Aug 25, 2009

Testimonial: "Thanks for the prompt answer -- what is and ECM?"

  • 285 Answers

SOURCE: antifreeze ts boiling back into reservoir.

it sounds like a possible head gasket problem,you can get the fluctuation from combustion gases getting pumped into your cooling system and creating gas pockets,i would suggest taking it to a shop and have them do a block test to look for combustion in the cooling system to confirm the problem,that way you will know for sure,if it comes up negative they can also perform a flow test to make sure there is no restriction in the cooling system such as a plugged radiator or a bad thermostat,hope this sheds a little light on it

Posted on Sep 12, 2009

Testimonial: "I bet you've hit on the problem ! Car has been "using " antifreeze for a couple years now, with no leaking anywhere. Lost through the head gasket ?"

seanpwright
  • 2030 Answers

SOURCE: 2006 Mini Cooper S temperature gauge in red zone

Bad head gasket or cracked head

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/sean_54c3a3dc48a7773c

Posted on Feb 10, 2010

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1 Answer

Temp gauge goes from normal to cold so does heat


maybe you are very low on coolant fluids

Mar 07, 2013 | 1998 Ford Expedition

1 Answer

1998 BMW 528 recently replaced radiator, water pump & pulley temp gauge sat middle all good THEN 2 months after all this temp gauge goes past middle then dropped back to middle . Next day temp gauge...


It could be the thermostat but you need to check the fluid level and for any leaks (these could even be pin hole) first. If you have one of those infra-red temperature gauges you can check the temperature of the cooling system in the engine bay to double check. Generally the engine temperature should not go much about 90 deg C - this is when the electric cooling fans kick in - are these turning on?

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Runing at the middle of the temp gauge is normal, If a vehicles temp gauge needle goes into the red zone on the gauge or into the hot zone as far as the needle will go .then you start worrying. Middle position is (NormaL for most (Vehicles) You have nothing to worry about.

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Mini Cooper temperature gauge goes to red zone when idle


check coolant level could be too low allowing air in the cooling system causing air pocket in engine around the engine coolant sensor.coolant sensor needs to be in hot coolant so it will cause the cooling fan to come on at a set temperature.make sure coolant correct level and the coolant level in the cooling overflow jug should be at full cold mark.the cooling overflow jug should never be empty,if you see empty cooling overflow jug air got in the cooling system so make sure when engine cold every time raise hood make sure cooling overflow jug coolant level at full cold mark.if jug stay empty you have cooling leak.so replace radiator cap,if coolant level all good,i would replace the engine coolant temperature and thermostat.when your car come to a long stop or driving along long line of slow moving traffic the engine coolant blower motor should running if not have vechicle code scan for faulty coolant fan motor control module.or ecm problems.

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Temp gauge goes way up to the danger zone, but not quite overheating, if I don't have the A/C on. Checked coolant level, it is fine. When driving it rises, when idling in goes to normal.


Possible wiring from sensor ( need to verify it is overheating, with Thermal Gun or probe) if it is overheating, check Fan operation and possible radiator restriction ?

Aug 30, 2011 | 1998 Ford Explorer

1 Answer

My 1998 expedition overheated yesterday (gauges did not indicate hot). It smoked and when it cooled down I put coolant in and today when I went to drive it was not wanting to accelerate and the rpm dial...


The reason it did not read hot, on your temp. gauge, is cause your temp. sensor read's coolant or water temp only, not air, if cooling system is empty, coolant temp. sensor will not read, like an air temp. sensor well, more the likely there could be a coolant leak for cooling system to be empty, also could have damage your cylinder's head's, need to have a block test and cylinder compression test done to fine out if head's are damage.

Sep 08, 2010 | 1998 Ford Expedition

1 Answer

Where is the coolant temperature sensor located on 2000 Altima?


THE SENSOR FOR THE GAUGE IS ON THE HOUSING THE UPPER RADIATOR HOSE ATTACHES TO.

May 07, 2009 | 2000 Nissan Altima

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