Question about 2003 Mitsubishi Outlander

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My 2003 Outlander is starting to run hot when I start to break and idling. When I start driving it cools down.

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  • mailjackie May 18, 2011

    Thank you. How harmful is it to continue to drive this way? I may not get a chance to get to it until later this week.

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  • Mitsubishi Master
  • 17,970 Answers

Check some vacuum leak; additionally, try cleaning the Throttle Body first then if that don't work you will need to replace the IAC motor wich is located on the bottom of the Throttle Body. Idle condition is engine to correct idle position and either the sensor inside the IAC motor is dirty or it is bad.

Keep us updaed.

Posted on May 18, 2011

  • ZJ Limited
    ZJ Limited May 18, 2011

    Yes, you can keep driving with this defect, but could get worse as the days pass (motor more unstable). Not exceeding the weekend.

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2007 Mitsubishi, Outlander XLS....when I start in the morning in cold weather, I am not getting hot air during standby and when I start moving, I am getting hot air after few minutes drive. Then when I...


Check your coolant level when engine cold, low level coolant does not circulate very well at idle and will cause poor heating,at higher RPM water pump turns faster to help circulate.
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My cooling fans start running as soon as i turn on the ignition on my 2003 mitsubishi outlander, it dont us to be like that


Test for stuck relay. With everything off but key on, feel the tops of relays for a warm of hot one.

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Welcome to Fixya

Sounds like you have a problem with the cooling system. First thing you need to check first if the auxillary fans are working from the time you are the engine is overheating. If the auxillary fans is not working then the problem would be the aux fan itself or relays. if Fan is working then you might have a poblem with the water pump.

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Oct 02, 2011 | 2003 Mitsubishi Outlander

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Why there are 02 fans near radiator? What are the purposes? One is working and one is not.


Hi and welcome to FixYa I am Kelly.
You have 2 fans because one is the temperature controlled radiator fan that only runs when the engine water temp is above 160 deg. F. The water termperature controlled fan can run even with the ignition key OFF should the Engine water temp be too hot.
The 2nd fan is for your Air-Conditioner that should run when the cabin temp is set low enough for the Air-Conditioner compressor to run. This fan should run anytime the Air-Conditoner is switched on.
If your experiencing engine over heat problems when driving slow or sitting idle most likely the fan switch that is switched on by water temperature has failed. The fan switch controls a fan relay and if the relay fails the fan will not run. In this particular model there is a cooling fan module that controls the fan.

Read this link but DO NOT click on any links from that webpage: (They do not work)
http://www.fixautopartz.com/2009/03/20/2003-mitsubishi-outlander-engine-cooling-system

Thanks for choosing FixYa,
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Apr 09, 2011 | 2003 Mitsubishi Outlander

1 Answer

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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Sounds like the electric fan is not coming on. Could be the switch screwed into the radiator, a malfunctioning fan relay, a blown fan fuse or the fan motor has gone bad.

Jun 23, 2010 | 2004 Mitsubishi Outlander

2 Answers

At idle car runs hot, but when driving it cools down.


FAN CLUTCH IF IT HAS ONE, OR AUXILLARY FAN NOT WORKING

Sep 20, 2009 | 2003 Mitsubishi Outlander

2 Answers

When sitting at light car runs hot, when moving car stop running hot


At idle, with engine hot, is the fan blade turning?

Theory is, at idle, need the fan to pull air though the radiator, at highway speeds, the air flows through without need for the fan.

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2 Answers

2003 Honda Civic runs hot when idling.


Check the cooling fan switch. It appears your auxiliary electric cooling fan isn't going on when at idle. and engine temp increases. While you are driving, air is being rammed thru your radiator as you cruise along, so it isn't overheating, at idle, that isn't happening, and the fan should go on as the temp goes up. When the ac is switched on, the fan is being signaled to operate due to the heavy ac load on the cooling system.

Apr 27, 2009 | 2003 Honda Civic

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Car gets hot when i idle..


change your thermostat it may not be opening all the way

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