Question about Cars & Trucks
Replace your thermostat first (trace the top radiator hose to the engine there you will find the housing that encases the thermostat), if that won't solve the problem find the relay box (black box under the hood on the right next to the fender) under the cover will show which relay is high, middle and low)...Replace the (hi) relay ....diagram below should help find the relay.
Posted on May 16, 2014
I presume you are talking about the radiator fan, and not the ventilation system fan, is that correct? If it is the radiator fan, you may need to change the cooling system thermostat. If you are mechanically inclined, you could buy the part (about $10.00 - $15.00) and change it your self. You would need to have coolant available to top up the system after you changed the thermostat. Do it outside on the driveway to avoid spilling coolant in the garage. A local mechanic would be able to change it, but obviously he would charge you labor too, abut $100.00 - $150.00 on top of the cost of the part.
Here is a link to instruction on finding the thermostat and how to change it: http://www.ehow.com/how_6353668_change-mitsubishi-thermostat.html
and this: http://www.stant.com/consumer-products/installation-tips
This is the part (but there are various other choices): http://www.rockauto.com/catalog/moreinfo.php?pk=48846&cc=1316553.
Check the specifications on your car if it needs a 170 degree or 180 degree thermostat. Not much of a difference.
If you do it yourself, it would be the price of the part, some coolant and your time. If it doesn't solve your problem, you can still take it to your mechanic.
Posted on May 16, 2014
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Posted on Jan 02, 2017
I fixed mine by cleaning the throttle body. Just take the hose off of it, spray some throttle body cleaner in there, and wipe it out with a VERY clean cloth. Then replace hose. Piece of cake.
Posted on Jan 23, 2009
SOURCE: 2002 malibu runs hot.
Sounds like you have a faulty head gasket or maybe a cracked head.This can cause overheating and the check engine light to come on.The code for the o2 sensor is probably caused by coolant getting into the exhaust system and coating the sensor.The coolant fan may work but it cannot remove enough heat from the rad to make the engine cool off.Try some engine coolant stop leak to see if it will help.This maybe only a temperary fix.Let me know if you need more.MOE
Posted on Jun 22, 2010
PCM is probably not getting a signal from the temp sensor, so it's kicking the fans on just in case. Check connector on sensor. If connector is OK, replace sensor. The sensor is mounted on the thermostat housing near the end of the upper radiator hose. See picks of a couple engine examples below. The part is only $11 at autozone.com, and a pic is pasted below. Let me know if you have any questions.
2.4 liter engine:
3.4 liter engine:
coolant temp sensor:
Posted on Nov 08, 2010
Check your transmission fluid and filter. If it is low or not getting cooled properly it will cause similar problems.
Posted on Oct 26, 2012
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