Question about 2002 Volkswagen Jetta TDI

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Temperature Sensor in 2002 Jetta TDI

Is the temperature sensor located in the thermostat?

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  • Anonymous Nov 21, 2008

    my problem is at my desh temparature control gauge go up too center and go down and go up after that stay. thanks

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NO the temp sensor is located on the head near the heater hoses close to the 4th cylinder if i am not wrong it is color coded and green

Posted on Nov 13, 2008

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I have a 2002 Jetta TDI. All the doors are closed tightly but the door sensor and dome light are dinging and flashing saying that there not closed. Has anyone else experience this? Any solutions?

Posted on Jan 02, 2010

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SOURCE: WHERE IS THE SENSOR LOCATED?

This is a known problem. The temp sensors go bad every so often. VW recognized this a few years back, updated the sensor and accordingly changed the colour from brown to green. oops.... They still go bad. The sensor is on the drivers side of the engine, on the back of the head in what looks like the thermostat housing. If you have a man trans there's a set of glow plugs commin out of it. This is the only temp sensor on the TDI. There's a plastic horseshoe clip (the dealer should have offer you one when you bought the sensor) you have to pop out, then wiggle the sensor until it comes out. MAKE SURE THE OLD O-RING COMES OUT, this will make instaling the new sensor much easier and will prevent your all your coolant from leaking out.... Yah, I seen it done, not good. Worst part is you can't see what you are dooing so good but its fairly simple. Good luck and happy motoring

Posted on Dec 09, 2009

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tdisline_388.jpg

Mar 30, 2011 | 2002 Volkswagen Jetta TDI

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Where can I locate the temperature sensor on my car?


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Feb 10, 2011 | 2001 Volkswagen Jetta TDI

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I have a 2002 VW Jetta and the temperature gauge keeps going up and down... Is this something to worry about ?


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tdisline_212.jpg

Please do rate my response. Thanks!

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2006 jetta tdi, ambient temperature location? my a/c quit working and i have no power at the compressor plug, it is up on charge, the dash temperature sensor quit working this winter, this not reading...


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May 17, 2010 | 2001 Volkswagen Jetta TDI

1 Answer

Vw jetta 2002 code p1296/po118


Both of these codes indicate trouble with the signal from the coolant temperature sensor.

So either the sensor is bad. The thermostat is not working properly and the coolant temperature is truly way out. The wiring to the sensor is short or open. The computer is bad and it is manifesting itself through this fault.

Does the car warm up properly? If it runs hot, or takes forever to warm up, this indicates a problem with the thermostat.

If the car runs at the proper temperature the next thing to look at is the coolant temp sensor and wiring. Some resistance values for VWs are here:
http://forums.vwvortex.com/zerothread?id=4267675

You might also be interested in this recall if your car is below 100k miles:
http://forums.vwvortex.com/zerothread?id=3694323

Jan 19, 2010 | 2002 Volkswagen Jetta TDI

1 Answer

WHERE IS THE SENSOR LOCATED?


This is a known problem. The temp sensors go bad every so often. VW recognized this a few years back, updated the sensor and accordingly changed the colour from brown to green. oops.... They still go bad. The sensor is on the drivers side of the engine, on the back of the head in what looks like the thermostat housing. If you have a man trans there's a set of glow plugs commin out of it. This is the only temp sensor on the TDI. There's a plastic horseshoe clip (the dealer should have offer you one when you bought the sensor) you have to pop out, then wiggle the sensor until it comes out. MAKE SURE THE OLD O-RING COMES OUT, this will make instaling the new sensor much easier and will prevent your all your coolant from leaking out.... Yah, I seen it done, not good. Worst part is you can't see what you are dooing so good but its fairly simple. Good luck and happy motoring

Dec 09, 2009 | 2002 Volkswagen Jetta TDI

1 Answer

Temperature sensor


the computer doesn't say replace the sensor, it says that there is a problem in the sensor circuit, that can be the wiring, the PCM or the sensor, u must check all three.

Jun 16, 2009 | 2002 Volkswagen Jetta TDI

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