Emission Applications

2004 Impala

Engine & Fuel System

⁽¹⁾ Emission Control Systems & Devices

⁽²⁾ EGR Test No.

3.4L (208") V6 SFI (VIN E)

PCV, ⁽³⁾ EVAP, TWC, FR, ⁽³⁾ EGR, ⁽³⁾ SPK, ⁽⁴⁾ HO2S, CEC, ⁽³⁾ MIL EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC, FT-FLVV

3.8L (231") V6 SFI (VIN K)

PCV, ⁽³⁾ EVAP, TWC, FR, ⁽³⁾ EGR, ⁽³⁾ SPK, ⁽⁴⁾ HO2S, CEC, ⁽³⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-ORVR, EVAP-VC, FTPS

3.8L (231") V6 SFI SC (VIN 1)

PCV, ⁽³⁾ EVAP, TWC, FR, ⁽³⁾ EGR, ⁽³⁾ SPK, ⁽⁴⁾ HO2S, CEC, ⁽³⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC

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

⁽²⁾	See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number.

⁽³⁾	PCM-controlled.

⁽⁴⁾	Equipped with 2.