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Emission Applications

1991 Imported Cars & Trucks

Model, Engine & Fuel System (1) Emission Control Systems & Devices (2) EGR Test No.
LeMans 1.6L TBI PCV, ACL, EVAP, TWC, BP/EGR, SPK, O2S, CEC, MIL 
EVAP-CPCV, EVAP-VC, SPK-CC
2
Metro & Metro LSi 1.0L TBI PCV, EVAP, TWC, FR,  (3)  EGR, SPK, O2S, CEC, MIL 
EVAP-VSV, EVAP-CPCV, EVAP-VC, (3) EGR-VSV, (3) EGR-VM, SPK-VR, VA
1
Metro XFi 1.0L TBI PCV, EVAP, TWC, FR, EGR, SPK, O2S, CEC, MIL 
EVAP-VSV, EVAP-CPCV, EVAP-VC, EGR-VSV, EGR-VM, SPK-CC
1
Prizm & Prizm GSi 1.6L MFI PCV, EVAP, TWC, FR,  (4) (5)  EGR, O2S, CEC, MIL 
EVAP-VC, EVAP-VSV, (4)(5) EGR-VM, (4)(5) EGR-VSV, (4)(5) EGR-T, SPK-CC
1
Storm & Storm GSi 1.6L MFI PCV, EVAP, TWC, FR, EGR, SPK, O2S, CEC, MIL 
EVAP-VC, EVAP-CPCV, EGR-VM, EGR-VSV, (3) EGR-T, SPK-CC
1
Tracker 1.6L TBI PCV, EVAP, TWC, FR, EGR, SPK, O2S, CEC, MIL 
EVAP-VC, EVAP-VSV, EGR-VM, EGR-VSV, (3) EGR-T, SPK-CC, (3) SUB-O2S
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 - IMPORTED in EGR FUNCTION TESTING section. Use specified test number.
(3) California emissions.
(4) Some models.
(5) See emissions label.