Question about 1998 Oldsmobile Silhouette

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Temp. gauge needle moves up and down while driving

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Locate the coolant temperature sensor it is usually located near where the upper radiator hose goes into the top of the engine drain the coolant from the petcock at the bottom of the radiator and unscrew the sensor to replace.

Posted on Jul 28, 2009

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Posted on Jan 02, 2017

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SOURCE: temp gauge and gas gauge not working

I had the same problem with my 2001 Pontiac Montana and the intake manifold gasket. This is a major problem with these 3.4L engines, if you are in the states I'm pretty sure there is a class action law suite against GM for this. I had my manifold gasket replaced and it was about $1000 CAD. You need to get your vehicle looked at right away as this could cause major engine damage, coolant will leak into the engine and soon enough you will be replacing that too. Good Luck

Posted on Feb 01, 2009

  • 116 Answers

SOURCE: Inaccurate temp gauge

change the thermostat it is stuck open
rank & vote

Posted on Dec 16, 2008

  • 958 Answers

SOURCE: fuel gauge moves back and forth from full to empty

you have a bad sending unit inside your tank.
the resistance of the potentiometer inside is broke on the half tank part.

you have to replace it.

tnx 4 using fixya.

drcool

Posted on Oct 05, 2008

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SOURCE: 2000 Toyota Camry instrument panel gauges not working

check the fuses in your manual it will tell you which fuses are for the dash and replace them it sounds to me like they are blown! good luck

Posted on Jan 09, 2010

DrSpeedo
  • 294 Answers

SOURCE: Fuel gauge needle way past full,

Most likely this is the common 03-05 Cavalier instrument cluster problem where the stepper motors on the cluster's circuit board go out. It can be fixed, check this page for more on how to get it taken care of - Cavalier fuel gauge broken

Posted on Sep 30, 2010

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Heat gauge needle pointed the wrong way. Catches on fuel gauge needle


I have fixed speedometer and RPM gauges before. Never had the temp gauge do this. You have to remove the instrument panel and rotate it clock wise. Watch the needle and see if it moves. If it does, take it back to the original position. I check them with a scanner. But they seem to work right. The just have glitches sometimes that drives the needle to the other side.

May 16, 2016 | Cars & Trucks

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The heat come on and then goes off and also the needle goes up to hot and come back down


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Jan 17, 2016 | 2006 Mazda 6

2 Answers

Temp gauge not working...is it the gauge or a sensor?


Check if the wire has not come loose from the sensor, if not, remove the wire from the sensor and hold it against any clean spot on the engine block whilst the ignition is on, (you need someone to be inside the car) if the needle travels all the way to the hot position, you will need to replace the sensor

Aug 14, 2015 | Cars & Trucks

1 Answer

Temp gauge and blazer jumps around when driving


Vehicle temperature gauges (temp gauge) read the temperature of the liquid in cooling system. From what I understand, the temp gauge jumping around has since gone away after you placed water into the radiator. It is very possible that water converted into steam was trapped in the cooling system and reached the temp sensor in your engine. The vehicle moving caused this steam to shift around reflecting rapid changes in temperature on the sensor, causing the needle to jump around on your console.
Hope this helps.

Nov 06, 2013 | 2001 Chevrolet Blazer

1 Answer

When jackaroo 1988 is motoring where does the needle in the temperature gauge normally be


If your temp gauge has only the cold (C) or hot (H) letters then the operating range would be the width of the needle under 1/2 way between c and h. If it remains steady at slightly over 1/2 way that would be just the setting of the gauge. How to get to know where the needle would sit at a specific position in relation to water temp. Do the following
Remove the temp sender unit and attach an earth wire to the body of the unit to earth. Place the sender unit in a container of water up to the threads .Put a mercury thermometer in the container beside the sender unit Apply heat to the container and watch the gauge needle move in relation to the thermometer reading. Operating temp will be about 80 degrees C on the thermometer and that would be about 1/2 way on the gauge.

Apr 20, 2013 | Cars & Trucks

1 Answer

Ive been having issues with my temp gauge sometimes it will move but it will just drop back down randomly and go back up again and sometimes it wont do anything but its never just worked properly sitting...


Its fine, temp needle going up shows that engine is warming up and as soon as the radiator fan starts, temp of coolant drop and this is shown by the temp gauge needle. In most cars (even mine) it stays in middle most of the time unless you are in a traffic with AC on, it will show up more temp. What you can do is get the radiator flushed and coolant changed. Also check the water pump. To do so when engine is cold (in first start in morning), open the radiator cap and ask someone to rev the engine. If the coolant level moves up and down then water pump is also fine.

Aug 15, 2011 | 1990 Ford F150

1 Answer

While driving the temperature gauge goes down to zero at the same time the truck bucks (sputters) and sometimes shuts off, all the other gauges do not move. When standing at a traffic light, the temp....


You have a sensor that controls this. It is a temp sensor. It could be called something else, but it is a sensor that measures your engine temps. It would shut the vehicle off if it is not working properly.

Feb 05, 2011 | 2001 Chevrolet Tahoe

1 Answer

The needles in my fuel and temp gauge are not moving and i have several lights staying on car has 55,883 miles on it so what should i look for


Hi, The temp gauge problem is has root cause on temp sensor The needles problem will lead car run rough, hard to start, low power etc and you should replace the malfunction needles
The lights ( indicators) are tell you there are serious problem on car, please get codes to find where do the problem persist

Jan 30, 2011 | 1998 Jaguar XJ8L

1 Answer

Needle in the temp gauge moves up and down


have you been adding coolant ? if the level is low you can experience this problem , or it could be a thermostat thats getting to the end of it's life !

Feb 06, 2009 | 1999 Pontiac Grand Prix

1 Answer

Temp gauge and gas gauge not working


I had the same problem with my 2001 Pontiac Montana and the intake manifold gasket. This is a major problem with these 3.4L engines, if you are in the states I'm pretty sure there is a class action law suite against GM for this. I had my manifold gasket replaced and it was about $1000 CAD. You need to get your vehicle looked at right away as this could cause major engine damage, coolant will leak into the engine and soon enough you will be replacing that too. Good Luck

Jan 04, 2009 | 2001 Pontiac Montana

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