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Opacity Test - Diesel Smog Check

(Periodic Smoke Inspection Program - PSIP)

Regulated by California Air Resources Board
Applicability Heavy-duty diesel-powered vehicles 14,000 lbs. GVWR or greater
6,000 lbs. GVWR or greater for 1998 and older
Frequency Annually (on or before December 31 of each year)

What is it?
All California-based fleets of two or more heavy-duty vehicles (gross vehicle rating over 14,000 lbs; except for 1998 and older, the rating is over 6,000 lbs.) are required to perform annual smoke and tamper inspections in their fleet.

Click for more information from ARB on the annual smoke testing requirement

How can FleetCrew help?
FleetCrew is a certified CA dealer capable of conducting the snap acceleration opacity test following the SAE guidelines using a declared opacity meter. We will conduct the opacity test and review next steps for how to bring your vehicle to compliance. All vehicles that do not pass the test must be repaired and tested.

Penalties for non-compliance:
CARB conducts random audits at California fleet owners' sites or road side set-ups. An audit will require 2 past years of smoke test records. The penalty for non-compliance is $500 per truck per year the records are missing. Below is a video of an actual CARB compliance inspection.

watch_videoSee video of actual inspections:
CARB compliance inspection (Lake Elsinore, CA)
CARB compliance inspection (Fresno, CA)


What are the allowable levels of smoke opacity?
All 1991 or newer engines must not exceed 40% smoke opacity
All pre-1991 engines must not exceed 55% smoke opacity

Recordkeeping Requirements
For each vehicle, records of the initial opacity test, repair information, post-repair opacity results, and meter calibration must be maintained for at least two years (specifically, the two most recent consecutive years).

FleetCrew's criteria for acceptable opacity limits:
In addition, FleetCrew’s criteria for acceptable opacity limits on a potential retrofit candidate vehicle are; 15% for EGR engines and 20% for all other engines. FleetCrew accepts these test result printouts as proof of compliance to our opacity standard. The FleetCrew standard refers to a well maintained engine ready to have a PM diesel particulate filter installed.

Download PSIP PDF Brochure

To schedule your Opacity Test call us at (866) 668-4738
or request more information below:

 

 

 

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