[teame]

If the car is not working for some time, the temperature (the sensor G72) intake air should be as ambient temperature, but mine is a difference of about 10 degrees. The ambient temperature was about 0 degrees and the air inlet temperature around 10 degrees.


when the engine is running what could be the difference in intake air temperature and ambient temperature.

 

[kevapex]

That is when the engine is running? You're right when the engine is off and cool the temperature should be ambient. If the engine is running I know the EGR is pretty high so the exhaust gasses could be raising the temperature.

 

[teame]

But I have same reading when engine is running and when engine is off.

Engine not running about 10 hours
Ambient temp. = 0
Int. temp. = 10

after driving about 100 km

Ambient temp. = 0
Intake temp. = 12



Is this ok or G72 is faulty.


****
A4 - 1.9 TDI PD, 96 kW AWX engine

 

[chittychittybangbang]

I believe it to be faulty. Here is my readings off a 2003 ALH engine that is warm and running. On a cold engine, all 3 were almost the same and ambient.

 

[teame]

yes, I read that on group 007. I try another sensor and readnig are same (diferece is 1°C). Is it possible to make correction or addapt. of this reading with vag-com.