Emission Applications

2004 DeVille

Engine & Fuel System

⁽¹⁾ Emission Control Systems & Devices

⁽²⁾ EGR Test No.

4.6L (279") V8 SFI (VIN Y & 9)

PCV, ⁽³⁾ EVAP, TWC, FR, ⁽³⁾ EGR, ⁽³⁾ SPK, ⁽³⁾ AP, ⁽⁴⁾ HO2S, CEC, ⁽³⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC, FF-CKV, FT-FLVV, AP-CKV, AP-EAP, AP-ERLY, AP-SOV, AP-VCSV

⁽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 3.