Question about 2002 Buick Rendezvous

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Disable coolant temperature sensor 2002 buick

Keeps giving false reading as hot and then shuts down to limp home mode. sometimes it fixes itself then does it again later. pump and belts have been checked and are fine.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

Papa Chan
  • 56 Answers

SOURCE: how to replace a coolant level sensor, 2000 buick century

The coolant level sensor is located on the radiator. If you are looking at the engine from the front of the car it will be on the left side. There will some kind of clip holding it in the radiator. Removed the clip and pull the sensor out. You will lose coolant so try to swap it out quick or drain some of the coolant out. Once new sensor is installed, install clip to keep the sensor in place and reconnect the wires to the sensor. Crank the engine and make sure the coolant level is full. This should correct your problem.

Posted on Jan 04, 2009

messstat
  • 365 Answers

SOURCE: I have a 2000 buick lesabre. The fix engine soon

It NEVER was the camshaft sensor! Unless, you've removed the engine lately, which I doubt.
RUN to Advance Auto Parts and buy a can of "SeaFoam" and add to your gas tank per instructions...drive at least 100 miles and the problem should go away...IF it doesn't you'll have to replace the O2 sensors in the exhaust system...Any good mechanic should be able to do this for much less $$ than the dealership DO NOT go to the dealer for repairs!
Good Luck

Posted on Jun 22, 2009

  • 1 Answer

SOURCE: AWD Light stays on

3rd dealer stated that the problem was in the differential pump valve, when the temperture sensor was giving a false reading and disconnecting the rear wheel drive. Replaced with GM Part 88896067, and it solved the problem. Mechanic stated that if it is ONLY the AWD light, then this is usually the problem. If the ABS Disable light also goes on, then it is the harness on the wheel sensor.

Posted on Jul 29, 2009

ftw1952
  • 10319 Answers

SOURCE: low coolant light stays on.

A relay does run the sensor as well

Posted on Jan 15, 2010

  • 4102 Answers

SOURCE: I have the same exact problem, once the 2002 Buick

Hi usually the symptoms your having are a result of the oxygen sensor(or lambda sensor for its technical name) being at fault.

now the reason it points to this being at fault is that it only starts working when the engine is near normal temp then if the car wont start till its cooled down then this is because the sensor then stops working when its cooled down so your car will run again until it gets hot,

you need to check where the sensor is located in the exhaust if it comes before the catalytic converter then the chances are its the sensor at fault but if it comes after the cat then it could be the cat that is at fault.

my best guess would be the sensor as your car is playing up exactly as if this sensor was not working.

i hope this is some help to you

let me know if you need further assistance ok

plz rate this solution as i have a whole page of unrated posts, thanks

Posted on Sep 16, 2010

Testimonial: "Best answer I've received to date, thanks, hope it's somewhat easy to replace......."

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My 97 stratus keeps jumping into limp mode, i repaced sullenoid pack and two sensors, still in limp mode...anyone know why> should i have the computer flashed?


you should be having the fault codes read to find the fault
Limp mode is energized when some major problem with the engine or transmission is found by the ECM and it shuts down to prevent real damage
fix the fault or it will cost you big money

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What causes hyundai Elantra 2002 tempature gauge fluctuates between normal and hot


The thermostat "seals" the cool coolant giving up (rejecting) heat in the radiator & heater core from the hot coolant absorbing heat in the running engine "block".

When the coolant in the engine reaches a specific temperature (180 ~ 195 degrees) as determined by the value selected by manufacturer or when replaced, it opens and allows the hot coolant in the engine block to be pumped out to the radiatot & heater core for cooling and the cool coolant in the radiator / heater core is pumped into the engine block - replacing the hot coolant. The thermostat senses cool coolant in the engine block and seals shut until the temperature of the coolant in the engine block rises to 180 ~ 195 degrees again. This process continues over and over for as long as needed.

You should check to make sure that the coolant level in the reservoir / radiator is sufficient by checking when cold. Do NOT remove a radiator cap when it is hot! With the cap off, start the engine and add additional coolant as the engine warms up to normal operating temperature. If coolant levels are ok, the trouble could be related to the thermostat or possibly a faulty temperature sending switch. This means that the temperature of the coolant is fine - but the switch or sensor that converts the temperature to a voltage for the gauge on yur dashboard is the problem.

If the temperature is fluctuating up and down, you should have it fixed. Good luck!

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If the temp gauge is reading 160 when the engine is warmed up, the problem could be air in the cooling system, a faulty sending unit, or gauge.

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DOES 2002 JEEP LIBERTY HAVE AUTO SHUT DOWN WHEN ENGINE GETS TO HOT


Could be a problem with the engine temperature sensor, that send signal to shut down at PCM. Check coolant fluid level and fan relays open in the right temperature.

Hope this helps.

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My 2002 Buick Rendevous has a hot coolant


Install the new thermostat (make sure it is the right temp). This will allow for your coolant to stay long enough in the radiator to cool down.

If that does not fix it, check radiator cap, belt that turns the water pump and the water pump itself along with its pulley.

There is also the possibility that the coolant temperature sensor is giving off false readings, that the coolant system is clogged or your engine fan is not operating when it should be.

May 03, 2010 | 2002 Buick Rendezvous

1 Answer

Chevy impala engine hot a/c off light just came on


YOUR ACTION IS REQUIRED:
If the engine is not really overheating and not low of coolant.
IF IT IS DO NOT CONTINUE TO RUN THIS VEHICLE.

RECOMENDATIONS: Sight unseen.

Replace the temperature sensor.

The Failed temperature sensor has a zero reading for the Control board, without this reading the car starts running in limp home mode or Default and assumes the engine is running hot, first thing to go is your comfort... The AC.
In addition starts the engine cooling fan to running full time.

Hope this tip helps.

r/
David

Jan 24, 2010 | 2006 Chevrolet Impala

1 Answer

I have a 2005 Nissan Sentra. The temperature gauge keeps fluctuating up and down. Usually if I'm stopped at a red light and just idling, the gauge will creep up into the red area and then go back down...


I have seen this happen to a few cars when they were running REALLY low on coolant (anti-freeze) AND/OR had a major air pocket trapped in the cooling system.
Heres whats going on:
The gauge is driven by a temperature sensor that sticks into the cooling system. When your really low on coolant, some times the temperature sensor is exposed to air, instead of liquid coolant and the temperature of the sensor drops. As your driving around sometimes liquid coolant touches the sensor and the temperature reading will spike again to normal readings or to an even hotter reading then normal (because what little fluid is in the system is not enough to maintain proper temps).
If you recently filled up or topped off the coolant from a low coolant situation then you may have a major air bubble locked in the system, although this is far less likely in the small Sentra cooling system, but you never know.
Lastly, the sensor itself or the plug into the sensor is loose, broken, or shorting. You or someone you know can try to locate the coolant sensor for the gauge and see if the connect to the sensor is loose or the wire have become damaged, giving you readings all over the place.
nissanhelp . com is a great place for help and you can find factory service books on there. You can join for free and ask questions.

Oct 28, 2009 | 2005 Nissan Sentra

1 Answer

Limp home mode light will come on and stuttering


Check the actual ohm readings for tps sensor to manufacturer specs. Sounds like the tps sensor is out of range. Sometimes the o2 sensor gives a false reading to the ecm which causes the tps malfunction. Doubt seriously if it electrical short. Bad ground maybe.

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2002 Grand Prix Temp Light On Engine In Protection Mode


Replace the temp sensor/switch located on the radiator.  Don't forget to drain your radiator and use teflon tape on the sensor when installing it.  DO NOT over-tighten.

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