Super Duty & Heavy Duty1999 to current Ford F250, F350, F450 and F550 Super Duty with diesel V8 and gas V8 and V10 engines
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I have a 01 F250 SD with the 5.4L V8. I am getting a P0112 error code which is Intake Air Temperature Circuit Low Input. What exactly doe sthis mean and what do I need to do to correct the problem. I went to my local Ford dealer and they offered to help. I spoke with my employers fleet mechanic who said he has never experienced a P0112 code.
Do I need to replace the Air Tempature Sensor (Motorcraft DY735) and if so where is it located?
Just an FYI, the IAT sensor is part of the MAF at least on my 01 5.4L engine. If you look at the MAF and there more 4 wires your MAF and IAT sensor are combined. Once tou take the MAF out of the intake system you will see the MAF sensor in the middle and the IAT sensor to the right.
I have the Haynes Manual it it shows the IAT for the Diesels engines but not for the normnally aspirated engines.
Anyway, I replaced the MAF/IAT, cleared the code and everything is good. No more check engine lights.
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