CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS (Parts 50–99) > PART 86—CONTROL OF EMISSIONS FROM NEW AND IN-USE HIGHWAY VEHICLES AND ENGINES > SUBPART P—Emission Regulations for Otto-Cycle Heavy-Duty Engines, New Methanol-Fueled Natural Gas-Fueled, and Liquefied Petroleum Gas-Fueled Diesel-Cycle Heavy-Duty Engines, New Otto-Cycle Ligh > 86.1530—Test sequence; general requirements.

86.1530—Test sequence; general requirements.

(a) The following test sequence lists the major steps encountered during the idle test:
Preparation
Warm-up (or Emission Test)
Preconditioning, 30 seconds minimum, six minutes maximum
Idle Stabilization, 30±5 seconds
Idle Emission Sampling, one minute minimum, six minutes maximum
These steps are described by subsequent procedures.
(b) Ambient test cell conditions during the test shall be those specified in § 86.130-78 or 40 CFR part 1065, subpart F.

Code of Federal Regulations

[48 FR 52252, Nov. 16, 1983, as amended at 70 FR 40441, July 13, 2005. Redesignated at 73 FR 37194, June 30, 2008]