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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > Canada > Got a P0112 code, has anyone dealt wiht this code before?



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      05-30-2014, 07:30 AM   #1
hawkviewrc
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Got a P0112 code, has anyone dealt wiht this code before?

I got a P0112 code which is - Intake Air Temperature Circuit Low Input. Before I go changing my MAF.. can anyone make any suggestions? I cleaned the MAF with MAF cleaner, cleaned the connections and also, change the air filter. My car is a 2011 335D with 115K on it. Before I go to the dealer and buy a new MAF, I wonder if any of you had any experiences with this code? Thanks in advance!
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      04-12-2016, 05:10 PM   #2
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Hey, what was the solution?
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      04-12-2016, 05:25 PM   #3
hawkviewrc
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I never bothered to have checked out. I am still driving with it on and not issues with the car. I now have 180,000 and no problems. Maybe this summer, I'll have it looked it.
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      04-14-2016, 02:31 AM   #4
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simple googling may save you some time and money. here's what i found:

Symptoms
Check Engine Light will illuminate
In some cases, the engine may be hard starting and/or get poor fuel economy
Poor engine performance/hesitation on acceleration
Common Problems That Trigger the P0112 Code

Cause
Defective Intake Air Temperature Sensor
Dirty air filter
Defective Mass Air Flow Sensor
Faulty or corroded Intake Air Temperature Sensor wiring or connections

Personally, i would deal with it right away before it turns into something worse as an effect of the issue at hand. Might cost you more in the long run if you hold off too long.

I also read somewhere the code may be thrown from carbon build-up which is something often missed as a maintenance for n54 vehicles.

Good luck!
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      04-15-2016, 09:11 PM   #5
adriang
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Thanks ponyboy,

I had carbon cleaning done last summer, now the check engine light is on and I also have the P0112 code, tried cleaning the MAF sensor and located the air intake sensor to try get it off to see if there is a short or if it is dirty but its a tight squeeze to get to.

I have some sort of plug (or sensor) off the ccv pipe that gets covered on one of the pins in carbon buildup, maybe its from that? Post 270 in the thread below
http://www.e90post.com/forums/showthread.php?p=15373395

Anyone else can chime in before I head to a garage?
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