# Control of Air Pollution From New Motor Vehicles and New Motor Vehicle Engines: Regulations Requiring On-Board Diagnostic (OBD) SystemsAcceptance of Revised California OBD II Requirements
> **Rule** · Final Rule. · Published 1996-08-30 · Effective 1996-10-29 · 61 FR 45898
## Document
- **Document number:** 96-21946
- **Category:** air-emissions
- **Federal Register citation:** 61 FR 45898
- **CFR reference:** 40 CFR 86
- **Publication date:** 1996-08-30
- **Effective date:** 1996-10-29
- **State:** CA
- **EPA docket:** AMS-FRL-5602-3
## Abstract

This final rulemaking revises requirements associated with on- board diagnostic (OBD) systems. The federal OBD rulemaking, published February 19, 1993, allowed for compliance with California OBD II requirements to satisfy federal OBD requirements through the 1998 model year. The California Air Resources Board has recently revised their OBD II requirements. This rulemaking promulgates appropriate revisions to federal OBD regulations such that compliance with the recently revised OBD II requirements will satisfy federal OBD. This rulemaking does not require that manufacturers comply with OBD II anti-tampering provisions. OBD systems in general provide substantial ozone benefits.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1996/08/30/96-21946/control-of-air-pollution-from-new-motor-vehicles-and-new-motor-vehicle-engines-regulations-requiring)
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