Emission Applications

2001 Infiniti

Model, Engine & Fuel System

⁽¹⁾ Emission Control Systems & Devices

⁽²⁾ EGR Test No.

G20 2.0L 4-Cyl. SFI

PCV, EVAP, ⁽³⁾ TWC, FR, EGR, SPK, ⁽⁴⁾ HO2S, CEC, MIL
EVAP-CPVCV, EVAP-CSPS, EVAP-CVCV, EVAP-VC, EGR-TS, EGR-VCV, FTT, SPK-CC

I30 3.0L V6 SFI

PCV, EVAP, ⁽⁵⁾ TWC, FR, SPK, ⁽⁶⁾ HO2S, CEC, MIL
EVAP-CPVCV, EVAP-CSPS, EVAP-CVCV, EVAP-VC, FTT, SPK-CC

...

QX4 3.3L V6 SFI

PCV, EVAP, ⁽⁵⁾ TWC, FR, SPK, ⁽⁶⁾ HO2S, CEC, MIL
EVAP-CPVCV, EVAP-CSPS, EVAP-CVCV, EVAP-VC, FTT, SPK-CC

...

Q45 4.1L V8 SFI

PCV, EVAP, ⁽⁵⁾ TWC, FR, EGR, SPK, ⁽⁶⁾ HO2S, CEC, MIL
EVAP-CPCS, EVAP-CPCV, EVAP-CPVCV, EVAP-CSPS, EVAP-CVCV, EVAP-VC, EGR-BPT, EGRC, EGR-TS, FTT, SPK-CC

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

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

⁽³⁾	Equipped with 2 TWC. One integral with exhaust manifold & one located downstream.

⁽⁴⁾	Equipped with 2.

⁽⁵⁾	Each cylinder bank exhaust pipe has a TWC & one or more TWC located downstream.

⁽⁶⁾	Equipped with 4.