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Emission Applications

2008 TrailBlazer

Engine & Fuel System (1) Emission Control Systems & Devices EGR Test No.
4.2L (254") 6-Cyl. SFI PCV,  (2)  EVAP, TWC, FR,  (2)  SPK,  (3)  AP,  (4)  HO2S, CEC,  (2)  MIL  EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC, AP-SV ...
5.3L (325") V8 SFI PCV,  (2)  EVAP, TWC, FR,  (2)  SPK,  (5)  HO2S, CEC,  (2)  MIL  EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC ...
6.0L (364") V8 SFI PCV,  (2)  EVAP, TWC, FR,  (2)  SPK,  (5)  HO2S, CEC,  (2)  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) PCM-controlled.
(3) Electric air pump
(4) Equipped with 2.
(5) Equipped with 4.