W639 115 Diesel IAT - Air temp sensor

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MattEVans

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May 5, 2020
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2009 Vito 115
Good afternoon,

I wonder if you could kindly help and point me in right direction,

My 2009 115 W639 has 2 fault codes, P0100 and P0110 (MAF and Intake air temp respectively)

Firstly, is there a common fault that brings these up?

Secondly If not, i have ordered a new MAF and IAT, I know where the MAF is, but i am unable to locate the IAT, Can you please point me in the right area of engine?

There is a strong smell of diesel upon starting and I hope to rectify this with the above changes
 
Is this an OM646 engine ?
Does it have a DPF ?
 
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Thanks for your reply.

Im not sure of engine code? where can I locate that?

No DPF
 
teh VIN is WDF63970323527132
 
115, in 2009 is the om646.

For the air intake temp sensor follow the plastic ducting out from the intercooler, not sure which side. It should be a simple push in sensor. Squeeze the 2 tabs at the rear of it and withdraw.

When ouit expect to see 2 wires to a small glass(ish) bulb.

About "20 should buy a new one.

this
can be useful for understanding and for part numbers.
 
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Did replacing the IAT work for you? I just replaced mine and I've still got problems
 

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