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Emission Applications

1997 Class "A" Motor Homes

Engine & Fuel System (1) Emission Control Systems & Devices (2) EGR Test No.
454" V8 CSI PCV, ACL,  (3)  EVAP,  (4)  OC, FR, EGR, SPK,  (4)  HO2S, CEC, MIL 
EVAP-CPCS, SPK-EST
1
454" V8 TBI PCV, ACL, EVAP, TWC, FR,  (5)  EGR, SPK, O2S, CEC, MIL 
EVAP-SV, EVAP-VC, EGR-CS, SPK-CC
1
(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 - TRUCKS in EGR FUNCTION TESTING section. Use specified test number.
(3) Vapor canister type.
(4) Equipped with 2.
(5) Linear EGR valve.