LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 1999 >> Forward Control P12 >> Repair and Diagnosis >> Engine Performance >> Emissions >> Emission Applications - Except Diesel >> Emission Applications
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Emission Applications

1999 General Motors - Class "A" Motor Homes

Engine & Fuel System (1) Emission Control Systems & Devices (2) EGR Test No.
7.4L (454") V8 SFI PCV,  (3)  EVAP,  (5)  TWC, FR,  (4)  EGR, SPK,  (5)  HO2S, CEC, MIL 
EVAP-CPCS, EVAP-VC, SPK-CC
2
(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) Linear EGR valve.
(5) Equipped with 2.