Question about 2001 Kia Sportage

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Trying to get ready to smog ,already changed thermostat what would cause it to run too cool?Mechanic states that there is not enough heat to burn gas efficiently causing a plugged cat converter. What can I Do

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  • Kia Master
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Everyone in americia is searchin for a way to ride cooler
and here your looking for a way to run hotter
thats a first

what does your "mechanic" say was the fault codes in memory
after properly wiping memory for a fresh start
and a short drive ?

I thought it was only gm products that required a map sensor cal

but maybe kia does too

map= Manifold Absolute Pressure this little box measures the pressure in your
manifold the place where the air goes into cylinders when not properly calibrated
or malfunctioning
they lie to the eec and it adds too much fuel and richen up the gas the injectors shoot into cylinders
and drive down cylinder temps and you fail the smog test too much Hydrocarbons (gas)
but usually the O2 sensor in tailpipe will counter this I wonder why not in this case ?

Posted on Jul 15, 2009

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Posted on Jan 02, 2017

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I have a 2000 Mitsubishi eclipse and my radiator fans run from startup a few minutes after shut off.It affects heat until higher rpms.i need better heat and quicker.


Here are a couple of thoughts on this problem:

1. Just for fun and giggles, it might be a good idea to have the thermostat checked one more time. I know it is a new thermostat but you never known if a thermostat may have failed even right out of the box. It is possible that thermostat could be shot, even thought it was new. I know it is a long-shot, but it never hurts to give it a try.
2. Check the fan sensors. The Eclipse has used an electric, rather than mechanical, fan for some time. It is possible over time that the start and stop sensors can go out of tune and that they can raise your fan's run rate on starting, cruising and idling. In this case, the mechanic is right in that the higher speed is causing the coolant to be cooled off more quickly than it should and the result is that your vehicle's cooling system is causing problems for your Eclipse's heater sensors. If the sensors don't get information that the coolant flowing through their portion of the cooling system isn't the right temperature then the heater won't kick off and all that will happen is that the heater will wait until it senses the coolant is the right temperature.

Feb 22, 2015 | 2000 Mitsubishi Eclipse

1 Answer

Flushed the heater core changed thermostat, water pump is good, changed fuse, heater was throwing heat but was over heating,checked radiator(flushed and added new fluid) now back to no heat


no, not special but you failed to stated engine, there are many engines.
and some are very tricky here, like 2.0L.
First state the symptoms,
your post states its overheating, then no heat. (why?)
old post. but others might
Ill post , overheating ,
Example if me, with overheat.
I see my dash gauge, show overheating and engine power drops and pings, then steam vents from the rad, cap?
Over heating (ill skip cab heater but on 2L this path blocked causes thermostat to go quite nuts. not posting engine, makes this hard.)
1: full of 50% AF (antifreeze)
2: new thermoSTAT they age and fail fast. so get a new one.
put STAT in with the wax slug down, and jiggle bleed pin forward.
get air out of system after filling, (RTM)
start car, and....
4: then using and IR pyro gun we then check that
the thermostat housing hits 170F min. but not too hot.
run motor till top rad hose gets too hot to touch 180f is normal.
I had to drive 10 miles, to get it up to 180F.
my car has the hotter, 195 STA,T so runs at 195f. (helps cooling)
USING the pyro gun , the top and bottom of each rad tube.
This tool is Amazing.... and saves burn hands.
if the bottom of any RAD tube is way less than the others?, that is
a clogged UP rad tube. solution is , NEW RAD.
Usually rad repairs, are more costly than new. IN USA.
The water pump must spin at full speed, belt tight.
The impeller or some suz, motors likes disappear. from electrolysis action. so not looking at the impeller is a FAILURE on the mechanic side.
if this car has 2.0 I-4 (4 banger) it has a coolant tube on the rear
of the STAT housing, this tube must flow coolant at all times.
if it dont, the thermostat , will go nuts.
nuts means, that insufficient flow passes the thermostat wax block
causing the thermostat to cycle in a wild and random way.
I dont like this design but is reality. If applicable.
post country, post engine type and state the symptoms.

Feb 16, 2013 | 2003 Suzuki Vitara

1 Answer

Over heating 2002 Aztek First mechanic we took it to: replaced intake manifold and water pump, flushed system because dex-cool coolant had caused damage. Still over heated. Same mechanic said it was the...


If the water pump and thermostat have been replaced and the system has been properly refilled and bled , the only thing left is the radiator. If coolant is not flowing through it properly , vehicle will run hot. If your car has overheated to the point of boiling over , your new thermostat may now be damaged again.. As for the fans , they only come on when the coolant reaches a certain temprature. Under normal driving conditions , they would not need to come on while the vehicle is moving , as the air flow from driving down the road would be enough to cool the engine.

Feb 03, 2011 | 2002 Pontiac Aztek

3 Answers

My 2004 Chevy Impala is running about 170 degrees. There is a strong gas smell even when the engine has been driven awhile and should be hot. Somebody said it may be either the temp sensor or the...


What you were told is that if the thermostat is not opening
soon enough or opening too far,it will effect what is called
closed loop. That is when the engine is warm and the O2 Sensors
take over fuel control, verse the computer on start up in open loop.

The Coolant Temp Sensor is the part doing the closed loop thing

So both have to be good

The stat should be changed every 5 years anyway
The temp Sensor can be tested

Also the o2 sensors can be viewed a number of ways

To work at home without knowledge of OBD Systems
you can't do much. Like trying to play doctor without
an 8 year degree to learn the craft

Feb 02, 2011 | 2004 Chevrolet Impala

2 Answers

My 2001 pontiac montana is over heating one min.. and fine the next when it starts over heating the heater will blow cool air instead of hot and the resavor where the coolant goes will fill up and bubble...


it could be two things...
a heater hose has worn out or got cut in someway or the heater core is bad and needs to be replaced...that could also cause you to smell some antifreeze in the car
and the over heating problem should be that there is still some air in the system after your mechanic changed the thermostat...so some air bubbles might be in the thermostat and then it gets over heated...when the air bubbles get out of the thermostat then the car stops over heating...
so let your mechanic remove all the air from the system in order for the car to run perfect...
it shouldn't be harmful to your wife and kids...but you should try to fix the problem asap :)
Good Luck!

Oct 23, 2010 | 2001 Pontiac Montana

2 Answers

Does thermostat cause service engine lite to come on? is it necesssary to change it?


yes it can,you sould change it, the computer sees its running cool and it make the fuel mixture more rich, this could cause converter damage, also make sparkplugs burnout faster,it make you burn more gas. good luck,hope this helps.

Oct 22, 2009 | 2005 Chrysler 300

4 Answers

Engine rapidly overheats,coolantvery near boils


Most likely the thermostat. The heater bypasses the thermostat. If the thermostat is blocked the only cooling is via the heater matrix. To check start the engine with the heater off and put your hand on the thermostat housing when the thermostat opens you should feel the housing get hot. If it doesn't the thermostat is faulty.

Aug 29, 2009 | 1998 Ford Escort

2 Answers

2000 Saturn SL2 won't pass smog test


It could be as simple as a bad thermostat (stuck open), that's causing the car to not warm up, which would be one reason it's burning too much gas (running cold, not reaching operating temp. which would allow the engine to run efficiently). Did the garage mention the thermostat as a possibility? Remove the thermostat to see if it's in the open position (should be closed @ room temp.) Let me know what u find.

Nov 10, 2008 | 2000 Saturn SL

2 Answers

Engine problem.


Hi Michael,

The motor shut off and the engine light came on, you won’t start right away and you wait a couple of days and start it again, sounds like your engine was over heated and because it is too hot and the engine frozen.

There are several kinds of engines, water cooling ,oil cooling and air cooling.

Over heated can cause many different problems for the cars, you should check step by step yourself.

Water cooling engine; if you know, you can help somebody.


1. Check the radiator see if you have enough coolant
2. Check the oil see if you have enough oil
3. check the water pump see if the water pump works fine
4. check the thermostat see it is function right.


Suppose your radiator has water or coolant, leave your radiator cap open, start your engine, let it is running 10 to 15 minutes and wait it is getting hot and see the water in your radiator, if the water moves, that means your cooling system works fine, otherwise either the thermostat frozen or the water pump was broken.

You mentioned when you re-start your car, sounds like a diesel engine, please check the where the noise from, if the noise from the water pump area, that means you need to change the water pump. When you change the water pump, change the thermostat at the same time, because when the engine over heated, the thermostat maybe damaged.

Oil cooling engine, check the oil pump. If the noise from the oil pump, you need change it.


Good luck,

Frank

Jun 05, 2008 | 1992 Volkswagen Jetta

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