IAT sensor?

[sherry]

Howdy,

I'm thinking of buying a MOD chip for my Merc Vito 2001 112 CDI, I am wondering where the IAT sensor is? Has anyone used these chips which are supposed to give up to 25 BHP and increased torque, do they do any damage, are they worth buying etc.

Thanks.

 

[television]

Keep your money in your pocket, they just use more fuel