AJ's Towing

Clean Truck Check tester in Galt, CA (Sacramento County).

AJ's Towing appears on CARB's public list of credentialed Clean Truck Check testers. It lists mobile testing, motorhome testing. Mobile testing means the tester can come to your yard or job site.

Location
10375 Live Oak Ave, Galt, CA 95632
County
Sacramento County
Phone
(916) 222-9889
Mobile testing
Yes — comes to your yard
OBD testing
No
Smoke opacity (non-OBD)
No
Motorhomes
Yes
Credentialed testers
1
Last verified

Call (916) 222-9889 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 and any mobile trip fee. Typical published prices for an OBD test are $50–$135 per vehicle (see cost guide).

Which trucks AJ's Towing can test

The test CARB requires depends on the engine's fuel and model year. Based on the services AJ's Towing lists on CARB's tester list:

Your vehicleTest requiredThis tester
Diesel, model year 2013 or newerOBD scanNot listed
Alternative fuel (natural gas, propane), 2018 or newerOBD scanNot listed
Diesel, model year 2012 or older (no OBD)Smoke opacity test (SAE J1667) plus visual inspectionNot listed
California-registered motorhomeSame test as above by engine year, once a yearYes

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is CARB Mobile Diesel Testing in Galt, about 1 mile away. See listing.

Clean Truck Check testers in Sacramento County

AJ's Towing is one of 131 testing businesses in Sacramento County on CARB's public tester list. 118 of them offer mobile testing and 71 do smoke opacity tests. In Galt itself there are 7 listed businesses, 7 of them mobile. All testers in Sacramento 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 AJ's Towing 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 AJ's Towing offer mobile Clean Truck Check testing?

Yes. AJ's Towing says on CARB's tester list that it offers mobile testing, so it can come to your yard or job site. Ask about a trip fee when you call.

Can AJ's Towing test a 2012 or older diesel truck?

AJ's Towing does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is CARB Mobile Diesel Testing (about 1 mile). Trucks from 2013 on get an OBD scan instead.

How much does AJ's Towing charge for a Clean Truck Check?

AJ's Towing has not published prices with us; call (916) 222-9889 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 AJ's Towing a CARB-credentialed tester?

AJ's Towing 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 Galt

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.

Call (916) 222-9889