A1 Vehicle Group
Clean Truck Check tester in Orange, CA (Orange County).
A1 Vehicle Group appears on CARB's public list of credentialed Clean Truck Check testers.
- Location
- 1935 N Enterprise St, Orange, CA 92865
- County
- Orange County
- Phone
- (714) 653-8696
- Mobile testing
- No (test at the shop)
- OBD testing
- No
- Smoke opacity (non-OBD)
- No
- Motorhomes
- No
- Credentialed testers
- 1
- Last verified
Call (714) 653-8696 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 A1 Vehicle Group can test
The test CARB requires depends on the engine's fuel and model year. Based on the services A1 Vehicle Group lists on CARB's tester list:
| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Not listed |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Not listed |
| 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 Precision Equipment Repair in Orange, about 1 mile away. See listing.
If you need a tester at your yard, the nearest listed tester that offers mobile testing is Alternative Fuel Solutions . in Orange, about 1 mile away. See listing.
Clean Truck Check testers in Orange County
A1 Vehicle Group is one of 159 testing businesses in Orange County on CARB's public tester list. 146 of them offer mobile testing and 84 do smoke opacity tests. In Orange itself there are 14 listed businesses, 12 of them mobile. All testers in Orange 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 A1 Vehicle Group 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 A1 Vehicle Group 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 Alternative Fuel Solutions . (about 1 mile).
Can A1 Vehicle Group test a 2012 or older diesel truck?
A1 Vehicle Group does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is Precision Equipment Repair (about 1 mile). Trucks from 2013 on get an OBD scan instead.
How much does A1 Vehicle Group charge for a Clean Truck Check?
A1 Vehicle Group has not published prices with us; call (714) 653-8696 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 A1 Vehicle Group a CARB-credentialed tester?
A1 Vehicle Group 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 Orange
-
Alternative Fuel Solutions .
- Mobile testing
- OBD test
-
Precision Equipment Repair
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
Tried & True Fleet Services
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
Anaheim Clean Truck
- Mobile testing
- OBD test
-
Credentialed tester in Anaheim
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
Fleet Services Inc
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
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.