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Old 11-03-2015, 10:39 PM   #1
blingdub
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Drives: 2011 GTI MK6 Autobahn MT, Uni 1+
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CEL intake air temp sensor

getting the following from vcds
Quote:
1 Fault Found:

000273 - Intake Air Temp. Sensor (G42)
P0111 - 000 - Implausible Signal - MIL ON
Freeze Frame:
Fault Status: 11100000
Fault Priority: 0
Fault Frequency: 1
Reset counter: 255
Mileage: 127257 km
Time Indication: 0
Date: 2052.14.27
Time: 11:01:03

Freeze Frame:
RPM: 1703 /min
Load: 9.0 %
Speed: 46.0 km/h
Temperature: 84.0C
Temperature: 73.0C
Absolute Pres.: 1000.0 mbar
Voltage: 14.097 V


Readiness: 0000 1000
seems like my string of bad luck isn't ending. i blew my engine and swapped in a new one. not even 100 miles on the new engine and i get this code. google has some generic info, but i couldn't find anything on the mk6 forums.

any clues on what this might be? thanks.

Last edited by blingdub; 11-03-2015 at 11:02 PM.
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Old 11-03-2015, 11:37 PM   #2
blingdub
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ambient temperature is 13C right now. car is cold. vagcom is logging 75C from the sensor....it's gotta be bad right?
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Old 11-04-2015, 12:06 AM   #3
rasetsu
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Try a MAF cleaner on the temp sensor which is a probe in the same part. Remove MAF sensor and spray the whole thing down and let dry. Only takes a couple of minutes to dry off.
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Old 11-04-2015, 10:37 PM   #4
blingdub
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Quote:
Originally Posted by rasetsu View Post
Try a MAF cleaner on the temp sensor which is a probe in the same part. Remove MAF sensor and spray the whole thing down and let dry. Only takes a couple of minutes to dry off.
do you mean the IAT sensor or the MAF sensor? if the latter, why would the MAF cause a code thrown from the IAT sensor?

in any case, i cleaned the IAT sensor tonight with isopropyl alcohol -- it was a little dirty but not too bad. plugged it back in and i was still getting around 72C.

would anyone else happen to have vagcom handy? what's the normal temperature range for this sensor?
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Old 11-05-2015, 04:34 PM   #5
rasetsu
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I mean the IAT sensor. It's next to the MAF sensor in the same probe and can be cleaned along with the MAF with the same type of cleaner. I got a can from O'Reilly's for $7.

IAT should read nearly the same as ambient air temp at start up and then roughly 10 over at cruise.
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Old 11-05-2015, 04:47 PM   #6
rupertpupkin
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IAT sensor is in the front of the intake manifold and is held in with one torx screw. It is not part of the MAF.
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Old 11-05-2015, 05:06 PM   #7
rasetsu
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My bad. I thought they were in the same spot on all cars. I just cleaned mine on my Subaru and they were next to each other. When I had the intake apart on the GTI, I recall it looked similar with the probe.
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