California Code of Regulations
Title 13 - Motor Vehicles
Division 3 - Air Resources Board
Chapter 2 - Enforcement of Vehicle Emission Standards and Surveillance Testing
Article 2.3 - In-Use Vehicle Enforcement Test Procedures
Section 2138 - Restorative Maintenance

Universal Citation: 13 CA Code of Regs 2138

Current through Register 2024 Notice Reg. No. 52, December 27, 2024

(a) Upon accepting a vehicle for testing, the ARB or its designated laboratory will replace the fuel with Indolene Clear or appropriate certification test fuel.

(b) The ARB or its designated laboratory shall perform the following diagnosis or restorative maintenance prior to enforcement testing:

(1) Identify part numbers of all essential emission control system components.

(2) Check air filter, all drive belts, all fluid levels, radiator cap, all vacuum hoses and electrical wiring related to emission control for integrity; check fuel metering and emission control system components for maladjustments and/or tampering. Record all discrepancies.

(3) Check ignition system with oscilloscope and replace any defective components; i.e., spark plugs, wires, etc.

(4) Check compression.

(5) Check and adjust engine parameters to manufacturer's specifications.

(6) Check the OBD system for proper operation.

(7) If the vehicle is within 500 miles of a scheduled maintenance service, that maintenance shall be performed except in the case of off-road motorcycles and all-terrain vehicles. For off-road motorcycles and all-terrain vehicles, all required maintenance shall be performed.

(c) For any enforcement testing conducted by the manufacturer pursuant to title 13, section 2139 (c)(1), California Code of Regulations, the "ARB or its designated laboratory", as stated in subsections (a) and (b), shall refer to the manufacturer or its designated laboratory.

1. Renumbering and amendment of text previously incorporated by reference in section 2112 to section 2138 filed 1-24-90; operative 2-23-90 (Register 90, No. 8). For prior history, see Registers 86, No. 38 and 83, No. 17.
2. New subsection (c) filed 8-2-91; operative 9-2-91 (Register 91, No. 49).
3. Amendment of subsection (b)(6) and NOTE filed 1-26-95; operative 1-26-95 pursuant to Government Code section 11343.4(d) (Register 95, No. 4). Note: Under section 209(e)(2) of the Federal Clean Air Act (42 U.S.C. § 7543(e)(2)), California is required to receive authorization from the Administrator of the U.S. Environmental Protection Agency (U.S. EPA) prior to enforcing its regulations regarding new off-road vehicles and engines. Accordingly, the Air Resources Board will not seek to enforce the off-highway recreational vehicle regulations until such time as it receives authorization from the U.S. EPA.
4. Amendment of section heading and subsection (a), new subsection (b)(6) and subsection renumbering filed 10-28-99; operative 11-27-99 (Register 99, No. 44).

Note: Authority cited: Sections 39600, 39601, 43013, 43018 and 43105, Health and Safety Code. Reference: Health and Safety Code Sections 43000, 43009.5, 43013, 43018, 43101, 43104, 43105, 43106, 43107 and 43204- 43205.5, Health and Safety Code.

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