# Control of Air Pollution From Motor Vehicles and New Motor Vehicle Engines; Modification of Federal On-board Diagnostic Regulations for Light-Duty Vehicles and Light-Duty Trucks; Extension of Deficiency Policy
> **Rule** · Final rule. · Published 1998-02-17 · Effective 1998-02-17 · 63 FR 7718
## Document
- **Document number:** 98-3885
- **Category:** other
- **Federal Register citation:** 63 FR 7718
- **CFR reference:** 40 CFR 86
- **Publication date:** 1998-02-17
- **Effective date:** 1998-02-17
- **EPA docket:** FRL-5966-6
## Abstract

Today's action extends the EPA's allowance of deficiencies for vehicles certified to federal OBD standards through the 1999 model year.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1998/02/17/98-3885/control-of-air-pollution-from-motor-vehicles-and-new-motor-vehicle-engines-modification-of-federal)
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