1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

Where is the IAT Sensor?

Nutkin Feb 19, 2011

  1. Nutkin

    Nutkin Member

    830
    8
    18
    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.
     
  2. Woorlord

    Woorlord shifting to Hyperspace... . VCDS Map User

    951
    17
    18
    [​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.
     
  3. Nutkin

    Nutkin Member

    830
    8
    18
    cheers fella
     

Share This Page