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Calibrate thermometer The temperature gauge is not right

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2006 chevy implala dashboard reading engine hot ac off. Already replace sensor


Is engine overheating ? Buy a Non-Contact Infrared Digital Thermometer LCD Digital Pyrometer Temperature GM320 11 99 Non Contact Infrared Digital Thermometer LCD Digital Pyrometer... Check temp at upper radiator hose , at 221 degrees the cooling fans should come on ! If the fans come on the sensor isn't the problem isn't the problem . The gauge it self could be bad , or the stepper motor that controls the gauge .c How to repair GM Instrument Cluster Speedometer Gauge Stepper

Feb 04, 2017 | AC Cars & Trucks

1 Answer

Adjust temperature


after 1 minute, it comes down? right?
wow no year stated, are you kidding? wiki land cruiser. ouch. huge types and type not stated either nor engine options ,nor country.?????????????????????????????????????????
Strike 4, ouch.
the dash gauge, engine temperature of coolant?
are you saying the coolant temp. varies, hot?
if yes?
1: bad thermostat.
2: if in Klondike or like zone, it can be normal so block rad with cardboard. no location of car stated, to im , gobsmacked, dumb.

see the wiki, see this wild car. all the variants, find yours and state yours.

http://en.wikipedia.org/wiki/Toyota_Land_Cruiser

i never, ever read, dash gauges.(besides a glance, then)
i use real hand gauges,

in details,. it varies from where to where.???????
180F to 150?
250 to 180F?
30F to 100F? what?
where does it vary, , see why a real guage works wonders
this works magic, (best tool in shop) lots of uses.
http://www.harborfreight.com/infrared-thermometer-93984.html

Dec 22, 2013 | Toyota Land Cruiser Cars & Trucks

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

I have a 2004 Audi A6 s-line w/101k it recently started climbing from the normal temp to one notch past on the coolant gauge. It doesnt peak out yet and hasnt gone past the first notch after normal an


Sound like either the Thermometer Housing, Thermometer or water pump may be in trouble.

If no leaks you can rule out the Thermometer Housing.
But regardless you will need to replace all three if any one is bad.
And the timing Belt while you are in there,
Only because it a 5 hour Minimum Labor job to replace either of them.
And there all right near one another,

A real pain to get to those. Thank you Audi...

Selvol

Jun 09, 2012 | 2004 Audi A6 2.7

1 Answer

The temperature gauge reading of my nissan admax 2001 model is always too high. but im not experiencing overheating. what do i do?


If your temperature gauge is reading too high, it can only be one of two things: The engine is overheating or the gauge is "lying" to you. I would recommend first taking the temperature of the cylinder head with an infrared thermometer to determine which one it is. If the engine is actually as hot as the guge says it is, then you need to check your cooling system. If the engine is not as hot as the gauge says it is then you need to diagnose and repair your gauge circuit. (most likely an inaccurate temperature sensor)

Aug 29, 2011 | Nissan Sentra Cars & Trucks

1 Answer

98 Oldsmobile Silhouette I could drive all day and the dang thermometer only moves one notch, Motor wont get warm and i don't want to mess up the van. I bought a thermometer but it's a bit of work if...


Keep in mind the temperature sender that indicates on the dash board is quite separate to the temperature sensor used by the cars power control module to set injection parameters etc. The dash board is to keep you happy the sensor keeps the engine happy. The thermometer sender is just a heat sensitive resistor (thermistor) and only as two wires to it. One wire is from the voltage supply and the other is to the dash board gauge (effectively a voltmeter) which monitor temperature by monitoring the voltage output due to the resistance of the thermistor in accord with the coolant temperature. First check that the connection with the sender is clean and free of corrosion. Put a voltmeter across the sender pins and turn the engine on. Measure the voltage change with temperature. If the voltage does change as the engine warms but the gauge on the dash is stubborn then it is likely that there is something wrong at the gauge. If there is not voltage change with engine warming then the sender is faulty.

Mar 27, 2011 | Oldsmobile Silhouette Cars & Trucks

2 Answers

Hi: Recently I changed the radiator and the main hose of my Escape 2001. The car was sent to a Ford dealer to fix other problems and they checked the car and is working ok, however, the engine temperature,...


Normal engine operating tempurature can vary from 180 to 220 degrees depending on the age of your car and what kind of modifications it's had done to it.
Your 01 Escape is going to be normal in the 200 to 220 range.

Jan 08, 2011 | 2001 Ford Escape

2 Answers

Thermometer not reading correctly


I would guess the outside thermometer has lost its calibration.
Does it seem consistently 5, 10 or 20 degrees off all the time?
Let me know.
Regards,

Apr 25, 2009 | 1991 Buick Park Avenue

1 Answer

98 328IS OVERHEATING AFTER CHANGING THERMOSTAT


Are you putting the thermostat in correctly? It it will not work backwards.

And to confirm that there isn't a different problem, take the thermostat out all together and see if it overheats.

Engine not fully warming up is not usually caused by the thermostat. Stats usually fail closed, not open.

You will want to check the water temperature sending unit or gauge after verify the water temperature with an external calibrated thermometer. You can attach and insulate the external thermometer to the housing where thermostat is located.


Reply back what you figure out. I will be happy to help you further.

Feb 03, 2009 | 1997 BMW 328

2 Answers

Heating System


The Engine Coolant Temperature (ECT) sensor is mounted in the intake manifold and sends engine temperature information to the ECM. The ECM supplies 5 volts to the coolant temperature sensor circuit. The sensor is a thermistor which changes internal resistance as temperature changes. When the sensor is cold (internal resistance high), the ECM monitors a high signal voltage which it interprets as a cold engine. As the sensor warms (internal resistance low), the ECM monitors a low signal voltage which it interprets as warm engine.
0900c1528008f125.jpgFig. 1: View of the Engine Coolant Temperature (ECT) sensor 0900c1528008f126.jpgFig. 2: Engine Coolant Temperature (ECT) sensor locationTESTING
See Figures 3 and 4
  1. Remove the ECT sensor from the vehicle.
  2. Immerse the tip of the sensor in container of water.
  3. Connect a digital ohmmeter to the two terminals of the sensor.
  4. Using a calibrated thermometer, compare the resistance of the sensor to the temperature of the water. Refer to the engine coolant sensor temperature vs. resistance illustration.
  5. Repeat the test at two other temperature points, heating or cooling the water as necessary.
  6. If the sensor does not meet specification, it must be replaced.
0900c1528008f120.jpgFig. 3: Intake Air Temperature (IAT) and Engine Coolant Temperature (ECT) sensor wiring diagram 0900c1528008f095.jpgFig. 4: ECT sensor temperature vs. resistance values

Oct 01, 2008 | 1993 GMC Sierra

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