Emission Applications

2003 Audi

Model, Engine & Fuel System

⁽¹⁾ Emission Control Systems & Devices

⁽²⁾ EGR Test No.

A4 1.8L Turbo, A4 Quattro 1.8L Turbo & A4 Avant Quattro 1.8L Turbo (Bosch Motronic)

PCV, EVAP, TWC, FR, SPK, ⁽⁵⁾ AP, ⁽³⁾ HO2S, CEC, MIL
EVAP-CKV, EVAP-CPRV, EVAP-LDP, EVAP-VC, SPK-CC

...

A4 3.0L, A4 Quattro 3.0L & A4 Avant Quattro 3.0L (Bosch Motronic)

PCV, EVAP, ⁽⁴⁾ TWC, FR, SPK, ⁽⁵⁾ AIS, ⁽⁴⁾ HO2S, CEC, MIL
EVAP-CPRV, EVAP-LDP, EVAP-VC, AIS-SV, SPK-CC

...

A6 3.0L, A6 Quattro 3.0L & A6 Avant Quattro 3.0L (Bosch Motronic)

PCV, EVAP, ⁽³⁾ TWC, FR, SPK, ⁽⁵⁾ AP, ⁽⁴⁾ HO2S, CEC, MIL
EVAP-CPRV, EVAP-LDP, EVAP-VC, AIS-SV, SPK-CC

...

A6 Quattro 2.7L Turbo (Bosch Motronic)

PCV, EVAP, ⁽⁴⁾ TWC, FR, SPK, ⁽⁵⁾ AP, ⁽⁴⁾ HO2S, CEC, MIL
EVAP-CPRV, EVAP-LDP, EVAP-VC, SPK-CC, AIS-SV

...

A6 Quattro 4.2L Turbo (Bosch ME-7)

PCV, EVAP, ⁽⁴⁾ TWC, FR, SPK, ⁽⁵⁾ AP, ⁽⁴⁾ HO2S, CEC, MIL
EVAP-CPRV, EVAP-LDP, EVAP-VC, AIS-SV, SPK-CC

...

A8 Quattro 4.2L & A8 L Quattro 4.2L (Bosch ME-7)

PCV, EVAP, ⁽⁴⁾ TWC, FR, SPK, ⁽⁵⁾ AP, ⁽⁴⁾ HO2S, CEC, MIL
EVAP-CPRV, EVAP-LDP, EVAP-VC, AIS-SV, SPK-CC

...

RS 6 4.2L V8 Turbo (Bosch ME-7)

PCV, EVAP, ⁽⁴⁾ TWC, FR, SPK, ⁽⁵⁾ AP, ⁽⁴⁾ HO2S, CEC, MIL
EVAP-CPRV, EVAP-LDP, EVAP-VC, AIS-SV, SPK-CC

...

S4 Quattro 2.7L Turbo & S4 Avant Quattro 2.7L Turbo (Bosch Motronic)

PCV, EVAP, ⁽⁴⁾ TWC, FR, SPK, ⁽⁷⁾ ⁽⁵⁾ AP, ⁽⁴⁾ HO2S, CEC, MIL
EVAP-CPRV, EVAP-LDP, EVAP-VC, AIS-SV, SPK-CC

...

S6 Avant Quattro 4.2L (Bosch ME-7)

PCV, EVAP, ⁽⁴⁾ TWC, FR, SPK, ⁽⁵⁾ AP, ⁽⁴⁾ HO2S, CEC, MIL
EVAP-CPRV, EVAP-LDP, EVAP-VC, AIS-SV, SPK-CC

...

S8 Quattro 4.2L (Bosch ME-7)

PCV, EVAP, ⁽⁴⁾ TWC, FR, SPK, ⁽⁵⁾ AP, ⁽⁴⁾ HO2S, CEC, MIL
EVAP-CPRV, EVAP-LDP, EVAP-VC, AIS-SV, SPK-CC

...

TT Coupe 1.8L Turbo, TT Roadster 1.8L Turbo, TT Quattro Coupe 1.8L Turbo & TT Quattro Roadster 1.8L Turbo (Bosch Motronic)

PCV, EVAP, ⁽⁴⁾ TWC, FR, SPK, ⁽⁵⁾ AP, ⁽⁴⁾ HO2S, CEC, MIL
EVAP-CKV, EVAP-CPRV, EVAP-LDP, EVAP-VC, SPK-CC, ⁽³⁾ KS

...

⁽¹⁾	Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.

⁽²⁾	See AUDI in EGR FUNCTION TESTING section. Use specified test number.

⁽³⁾	Equipped with 2.

⁽⁴⁾	Equipped with 4.

⁽⁵⁾	AP is an electric motor. Located in right front corner of engine compartment.

⁽⁶⁾	California only.

⁽⁷⁾

A/T only.

⁽⁸⁾	If vehicle is equipped with EVAP-DPS; EVAP-LDP is installed but not activated.