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Smog Check Manual - Appendix C: Complete
Guide
Appendix C of the Smog Check Manual pertains to... Right Ans - Aftermarket parts Any aftermarket part which is not a modified part or a replacement part. Right Ans - Add-on Part A part which is designed to replace a group of original equipment parts and which is functionally identical to those original parts in all respects which in any way affect emissions (including durability). Right Ans - Consolidated Part Any aftermarket part intended to replace an original equipment emission-related part and which is not functionally identical to the original equipment part in all respects which in any way affect emissions, excluding a consolidated part. Right Ans - Modified Part Any aftermarket part intended to replace an original equipment emissions-related part and which is functionally identical to the original equipment part in all respects which in any way affect emissions (including durability) or a consolidated part. Right Ans - Replacement Part As part of the inspection, inspectors shall verify whether CARB exemption is required for which parts? Right Ans - Modified Parts and Add-on Parts This CA code prohibits modifications to emission control devices or systems without an exemption from ARB. Right Ans - California Vehicle Code Section 27156 Aftermarket parts that modify or affect the original emission controls must be exempted through... Right Ans - ARB Executive Order (EO)
In general, these aftermarket parts do not require ARB exemption. Right Ans - Replacement Parts and Consolidated Parts Which vehicles require verification of EO for an aftermarket air cleaner? Right Ans - 1996 and newer, or any MY equipped with a Thermostatic Air Cleaner These vehicles do not require verification of EO for an aftermarket air cleaner. Right Ans - 1995 and older without a Thermostatic Air Cleaner Which vehicles require verification of EO for aftermarket air flow sensors? Right Ans - All gasoline and diesel vehicles Do any vehicles require verification of EO for aftermarket intake manifolds? Right Ans - No In order to be acceptable, an aftermarket intake manifold must include what? Right Ans - Provisions for the original equipment emission controls In order to be acceptable, an aftermarket intake manifold must be... Right Ans - Marketed by the manufacturer as a replacement for the factory original Is it acceptable for a replacement intake manifold to be made of a different material than the factory original? Right Ans - Yes Which vehicles require verification of EO for an aftermarket intercooler (equipped with OEM turbocharger/supercharger)? Right Ans - Diesel vehicles Which vehicles require EO verification for an aftermarket turbocharger/supercharger, including related parts such as wastegate, pulleys, etc.? Right Ans - All gasoline and diesel vehicles
Why is EO verification required for exhaust components such as headers and heat risers that are used before the exhaust after- treatment devices? Right Ans - Catalytic converter operation is potentially altered by these components Which vehicles require verification of EO for added fuel kits or alternative fuel kits, such as nitrous, propane, methanol, hydrogen, natural gas, and biodiesel? Right Ans - All gasoline and diesel vehicles Are replacement carburetors acceptable, when identified as such by the manufacturer? Right Ans - Yes Under what conditions is EO verification required for an aftermarket carburetor? Right Ans - Changes not originally offered for the specific vehicle application Is EO verification required when changing a 2 barrel carburetor to a 4 barrel carburetor? Right Ans - Yes Is EO verification required when changing a 4 barrel carburetor to a 2 barrel carburetor? Right Ans - Yes Is EO verification required when changing from a single carburetor to multiple carburetors? Right Ans - Yes Is EO verification required when changing from a carburetor to a fuel injection system? Right Ans - Yes Is EO verification required for carburetor-related modifications such as a choke heat stove for headers or an under-carburetor screen? Right Ans - No Which vehicles require EO verification for add-on/modified fuel system parts such as adjustable fuel pressure regulators, fuel injectors, and fuel injection pumps? Right Ans - All gasoline and diesel vehicles
Is EO verification required for fuel system components such as fuel filters, diesel lift pump, separators, and fuel line magnets? Right Ans - No Which vehicles require EO verification for additional or oversized fuel tanks? Right Ans - Gasoline vehicles Is EO verification required on any vehicles for vapor/steam water injection? Right Ans - No Which vehicles require EO verification for an ignition bridge? Right Ans - None Which vehicles require verification of EO for ignition system modifications, such as performance distributors, control modifications, etc? Right Ans - Gasoline vehicles Which vehicles require EO verification for air conditioner cut- out? Right Ans - None Which vehicles require EO verification for anti-theft systems and associated primary side ignition changes such as engine start/stop controls? Right Ans - None Which vehicles require EO verification for modified camshafts or camshaft-related parts, such as adjustable cam timing gears? Right Ans - All gasoline and diesel vehicles Which vehicles require EO verification for engine modifications such as performance kits, cylinder head swaps, etc? Right Ans - All gasoline and diesel vehicles Which vehicles require EO verification for hybrid battery enhancements such as plug-in charger kits, added batteries, etc.? Right Ans - None For which model year vehicles is it acceptable to have a biodiesel kit installed without ARB EO exemption? Right Ans - 1998 to 2003
The ARB Aftermarket Catalytic Converter Database contains a catalog listing of acceptable vehicles for each... Right Ans - Executive Order (EO) For these vehicles, inspectors shall use the EO number to verify the catalytic converter is approved for use on the vehicle's category: PC-1, PC-2, T-1, or T-2. Right Ans - Pre-OBD II vehicles Pre-OBD II passenger cars with one catalytic converter per exhaust bank. Right Ans - PC- Pre-OBD II passenger cars with more than one catalytic converter per exhaust bank. Right Ans - PC- Trucks with one catalytic converter per exhaust bank. Right Ans - T- Trucks with more than one catalytic converter per exhaust bank. Right Ans - T- For pre-OBD II vehicles, are inspectors required to check the specific vehicle application for catalytic converters using the series or part numbers? Right Ans - No This part of the catalytic converter label is the ARB EO number. Right Ans - D-XXX-XX This part of the catalytic converter label is the manufacturer's part number. Right Ans - YYYYYY This part of the catalytic converter label is the date of manufacture - the first two digits indicate the month, and the last two the year. Right Ans - ZZZZ In order to be acceptable, these replacement parts must be specified by the parts manufacturer as a replacement part for use on the vehicle on which it is installed. Right Ans - EGR valves and carburetors
In general, a performance part such as a performance camshaft, performance cylinder head, or performance fuel injection components would be defined as this type of part. Right Ans - Modified Part Distributor caps, spark plugs, spark plug wires, and chromed valve covers are all examples of this type of part. Right Ans - Replacement Part An aftermarket EGR assembly that combines the valve and backpressure transducer that were originally two separate components is an example of this type of part. Right Ans - Consolidated Part A nitrous oxide kit is an example of this type of part. Right Ans - Add-on Part
