40 CFR § 86.1530
Test sequence; general requirements
June 9, 2020
(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.
[48 FR 52252, Nov. 16, 1983, as amended at 70 FR 40441, July 13, 2005. Redesignated at 73 FR 37194, June 30, 2008]