40 CFR § 86.007-17 - Onboard diagnostics for engines used in applications less than or equal to 14,000 pounds GVWR.
---
identifier: "/us/cfr/t40/s86.007-17"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 86.007-17 - Onboard diagnostics for engines used in applications less than or equal to 14,000 pounds GVWR."
title_number: 40
title_name: "Protection of Environment"
section_number: "86.007-17"
section_name: "Onboard diagnostics for engines used in applications less than or equal to 14,000 pounds GVWR."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "86"
part_name: "CONTROL OF EMISSIONS FROM NEW AND IN-USE HIGHWAY VEHICLES AND ENGINES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401-7671q."
cfr_part: "86"
---
# 86.007-17 Onboard diagnostics for engines used in applications less than or equal to 14,000 pounds GVWR.
Heavy-duty engines intended to be installed in heavy duty vehicles at or below 14,000 pounds GVWR that are subject to standards under this subpart must meet onboard diagnostic requirements as specified in § 86.1806.
[79 FR 23688, Apr. 28, 2014]