Ry-Den Truck Center
Clean Truck Check tester in Fresno, CA (Fresno County).
- OBD test
Ry-Den Truck Center appears on CARB's public list of credentialed Clean Truck Check testers. It lists OBD testing.
- Location
- 2482 Foundry Park Ave, Fresno, CA 93706
- County
- Fresno County
- Phone
- (559) 441-7667
- Mobile testing
- No (test at the shop)
- OBD testing
- Yes
- Smoke opacity (non-OBD)
- No
- Motorhomes
- No
- Credentialed testers
- 1
- Last verified
Call (559) 441-7667 Open in Google Maps
Before you call
- Have your VIN, odometer reading and plate number ready.
- Your vehicle must be registered in CTC-VIS and the annual compliance fee paid; the tester submits the result to CARB.
- Ask for the price per vehicle. Typical published prices for an OBD test are $50–$135 per vehicle (see cost guide).
Which trucks Ry-Den Truck Center can test
The test CARB requires depends on the engine's fuel and model year. Based on the services Ry-Den Truck Center lists on CARB's tester list:
| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Yes |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Yes |
| Diesel, model year 2012 or older (no OBD) | Smoke opacity test (SAE J1667) plus visual inspection | Not listed |
| California-registered motorhome | Same test as above by engine year, once a year | Not listed |
For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is BECS Pacific in Fresno, about 1 mile away. See listing.
If you need a tester at your yard, the nearest listed tester that offers mobile testing is BECS Pacific in Fresno, about 1 mile away. See listing.
Clean Truck Check testers in Fresno County
Ry-Den Truck Center is one of 123 testing businesses in Fresno County on CARB's public tester list. 102 of them offer mobile testing and 47 do smoke opacity tests. In Fresno itself there are 74 listed businesses, 60 of them mobile. All testers in Fresno County.
When your truck is due
Most trucks test twice a year, on a schedule tied to the DMV registration expiration date. CARB says OBD trucks move to four tests a year beginning October 2027. California-registered (non-commercial) motorhomes and agricultural vehicles test once a year. See the deadline guide. You can test up to 90 days before a deadline. Get a free email reminder before each one.
How to check a tester's credential
CARB publishes its Clean Truck Check tester list, where Ry-Den Truck Center appears as of November 1, 2026. Listing there is optional, so a missing name does not always mean a tester is not credentialed. After the test, check that the passing result shows for your vehicle in CTC-VIS; that is what counts for compliance.
Frequently asked questions
Does Ry-Den Truck Center offer mobile Clean Truck Check testing?
Not according to CARB's tester list; plan to bring the truck to the tester. The nearest listed mobile tester is BECS Pacific (about 1 mile).
Can Ry-Den Truck Center test a 2012 or older diesel truck?
Ry-Den Truck Center does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is BECS Pacific (about 1 mile). Trucks from 2013 on get an OBD scan instead.
How much does Ry-Den Truck Center charge for a Clean Truck Check?
Ry-Den Truck Center has not published prices with us; call (559) 441-7667 for a quote. Published California prices are usually $50–$135 per vehicle for an OBD test and $190–$200 for a smoke opacity test, plus CARB's annual fee ($32.13 in 2026). See the cost guide.
Is Ry-Den Truck Center a CARB-credentialed tester?
Ry-Den Truck Center appears on CARB's public Clean Truck Check tester list, last checked November 1, 2026. Only credentialed testers can submit results to CARB; after the test, confirm the passing result shows for your vehicle in CTC-VIS.
Other testers near Fresno
-
BECS Pacific
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
Brandon Hill
- OBD test
- Smoke opacity
- Motorhomes
-
Cummins Sales and Service
- OBD test
- Smoke opacity
- Motorhomes
-
Diesel Compliant LLC
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
Fleet Repair
- Mobile testing
- OBD test
- Smoke opacity
-
Fresno Fleet Service LLC
- Mobile testing
- OBD test
Source: CARB's public Clean Truck Check tester list, last checked . Listing on CARB's list is optional for testers, so some credentialed testers are not shown. Services, hours and prices change; please confirm with the tester before you go. Something wrong? Send a correction.