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Where is the IAT Sensor?

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by Nutkin, Feb 19, 2011.

  1. Nutkin

    Nutkin Member

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    Its the last thing that could be giving me poor MPG,

    MAF is reading fine
    CTS Replaced
    O2 sensors are reading fine on vag com.

    Only thing i can think of now is IAT so where is that lil sensor and ill give it a clean.
     
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  3. Woorlord

    Woorlord shifting to Hyperspace... .
    VCDS Map User

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    [​IMG]

    1 - Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-
    2 - Heated Oxygen Sensor (HO2S) -G39- 55 Nm
    3 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- 55 Nm
    4 - Combi valve for secondary air inlet
    5 - Engine Coolant Temperature (ECT) Sensor -G62-
    6 - Engine Speed (RPM) Sensor -G28-
    7 - Secondary Air Injection (AIR) Solenoid Valve -N112-
    8 - Bracket for connectors
    9 - Bracket for connectors
    10 - Electronics box (plenum chamber)
    Location for Motronic Engine Control Module (ECM) -J220- with Barometric Pressure (BARO) Sensor -F96-
    Location for Motronic Engine Control Module (ECM) Power Supply Relay -J271-
    Location for Engine Electronics Fuse -S282- for Motronic
    11 - Electronics box (plenum chamber)
    Location for Secondary Air Injection (AIR) Pump Relay -J299-
    12 - Charge Air Pressure Sensor -G31-
    13 - Throttle Valve Control Module -J338-
    14 - Intake Air Temperature (IAT) Sensor -G42-
    15 - Recirculating valve for turbocharger -N249-
    16 - Knock Sensor (KS) 1 -G61-
    17 - Knock Sensor (KS) 2 -G66-
    18 - Camshaft Position (CMP) Sensor -G40-
    19 - Fuel Injectors
    Cylinder 1 Fuel Injector -N30-
    Cylinder 2 Fuel Injector -N31-
    Cylinder 3 Fuel Injector -N32-
    Cylinder 4 Fuel Injector -N33-
    20 - Ignition Coils
    Ignition Coil 1 with Power Output Stage -N70-
    Ignition Coil 2 with Power Output Stage -N127-
    Ignition Coil 3 with Power Output Stage -N291-
    Ignition Coil 4 with Power Output Stage -N292-
    21 - Wastegate Bypass Regulator Valve -N75-
    22 - Mass Air Flow (MAF) Sensor -G70-
    23 - Secondary Air Injection (AIR) Pump Motor -V101-

    The above diagram is for a LHD vehicle but I guess you can work out the differences on that.
     
  4. Nutkin

    Nutkin Member

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    cheers fella
     

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