Question about 2003 Saturn VUE

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My 03 Saturn VUE water temp overheat light never turns off.

The gauges for water temperature as well as the fuel guage are pegged, reading max even though the car has set all weekend. My OCD-2 shows that at least the car knows how much fuel and that its not overheated. There hasn't been any engine service lights. The only thing I've tried so far is disconnected the battery for several hours, no effect. There has been two times that everything came back to normal, both times it has been below freezing outside.

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It might be your dash panel circuits go bad found out on my chev truck started with fuel gauge then speedo

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Possible that the ECT (engine coolant temperature sensor) is faulty, or the wiring to it has been compromised. Try looking the wiring over. If nothing jumps out at you, replace the sensor. Keep in mind, it's the season for critters to seek warmth from engine heat.

Posted on Dec 09, 2014


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I changed my thermostat and temperature sensor with AC the temperature gauge max out, it takes 45 minutes to max out, now the same issue still exist. Thank you and God bless.

no engine size stated, so there will be no Exact answers ever...
for that one fact..... (most posters fail here)
ok engine temp gauge, so....
ambient temperature is what,
are you at high altitude, ? or cold outside? just a clue here...
it's 100F here, so...
where the parts Jeep parts or aftermarket, ?
the thermostat, is it 180F, or higher, its stamped on this part.
wed need to know that, for sure.

ok, you got the wrong parts.
the dash guages is only a toy , we use a real pyro gun to read temps. at the STAT housing !!!
is the fan for RAD kicking.
not using real tools and real temp guages, means you are just guessing...
consider this.
old stat was bad, (most old ones are, they are short lived)
say it reads too low all the time, so you learn and expect its bad habits,
then put in the correct stat, (not stated what)
and now it works correctly
you had the 180F stat then put in the 200f and it runs hotter.
did you know the stat temp is regulated by the EPA here
are you here, ?USA? or not.
they make this car in Europe too, so..... (laws there are diffr)

Stat put in upside down.
or not with bleed hole (jigglepin) not up hill.
or have air on top of loop, causing the stat to go nuts and the ECT to go nuts (buy the wrong ECT,?) no name or pn. stated. so...

my guess is that if the gauge does drop , with heater on max
then the cooling system does have issues.
is it full of 50% AF?
take of cap of rad, dead cold
is it full
and at the next hot to cold cycle? is it?

Jul 21, 2015 | 2004 Jeep Grand Cherokee

1 Answer

How do I correct erratic fuel gauge problem on 2007 Saturn Vue Red line 3.50ci, gauge goes from full to empty and engine light comes on, light goes off and gauge returns to normal. Am trying to correc

there is usually a resistor built into the actual guage that smooths out the signals from the fuel sender unit , not sure if you will be able to repair to this level , time and money might be better spent on a new gauge

Oct 18, 2014 | 2007 Saturn Vue

1 Answer

My 2003 Saturn VUE is saying that I'm over-heating (both the warning light stays on, and the gauge stay pegged hot) even after my car has been sitting in the driveway for 2-3 days (or longer). There is not...

i'd change the engine temperature sender unit , or just disconnect it for a while and see if the gauge symptoms disappear , if they do then change the temp sender unit,if the symptoms remain i'd say get the OBD codes read as may have a faulty dash component

Jul 04, 2014 | 2003 Saturn VUE

3 Answers

97 saturn sl2 temp light flashing and low coolant light flashing what could be the problem ? coolant is full and the heat works.

If the temp gauge is reading normal, the lights are flashing, and the coolant level is full, the level sensor in the coolant bottle is the problem. I'm a service consultant for a Saturn dealer and I've run across this many times.

Apr 17, 2009 | 1997 Saturn SL

1 Answer

Water temp mal function

Unfortunately No, All of the Guages run straight into the Computer. If you bypass them you will have error codes out the Wazzu and lights on the Dash Constantly. Try a Salvage yard for a Replacement Guage Cluster.

Jan 24, 2009 | 1999 Plymouth Neon

2 Answers

The lights on my dash board flicker on and off then turn off.

I had the same problem some time ago, lights would go on and off, odometer appeared to stop counting at times rpm gauge would work and then not... power steering would off and on work and head lights would blink on and off when in driving light mode (off position).. The fix for me was I had to have the dash computer replaced (about $500). After doing this around 50k miles ago all the gremlins seem to have remained gone.. Hope this helps

Dec 18, 2008 | 2003 Saturn VUE

1 Answer

Fuel gauge

The fuel tank has 2 different fuel level senders(floats) It needs both of them. You have to drop the tank, and pull the pumps.

Nov 14, 2008 | 2002 Saturn VUE

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