---
title: "Primos Mobile Truck & RV Testing — Clean Truck Check, Vallejo, CA"
description: "Primos Mobile Truck & RV Testing in Vallejo, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD)…"
url: "https://ctcfinder.com/tester/primos-mobile-truck-and-rv-testing-vallejo/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Primos Mobile Truck & RV Testing

Clean Truck Check tester in Vallejo, CA (Solano County).

> CTC Finder is an independent directory, not affiliated with CARB. Tester data: CARB Clean Truck Check public tester list, last checked November 1, 2026. Confirm services, hours and prices with the tester.

| Field | Value |
|---|---|
| Location | 1127 Belmont Ave, Vallejo, CA 94591 |
| County | Solano County |
| Phone | (707) 310-1367 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Primos Mobile Truck & RV Testing can test

| 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 | Yes |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |

## Clean Truck Check testers in Solano County

Primos Mobile Truck & RV Testing is one of 38 testing businesses in Solano County on CARB's public tester list. 34 of them offer mobile testing and 21 do smoke opacity tests. In Vallejo itself there are 8 listed businesses, 7 of them mobile.

## 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](https://ctcfinder.com/guide/deadlines-2026-2027/). You can test up to 90 days before a deadline. Free email reminders: https://ctcfinder.com/reminders/

## Frequently asked questions

### Does Primos Mobile Truck & RV Testing offer mobile Clean Truck Check testing?

Yes. Primos Mobile Truck & RV Testing 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 Primos Mobile Truck & RV Testing test a 2012 or older diesel truck?

Yes. Primos Mobile Truck & RV Testing lists smoke opacity testing, the test CARB requires for diesel trucks of model year 2012 and older (no OBD). See [OBD vs smoke opacity](https://ctcfinder.com/guide/obd-vs-smoke-opacity-test/).

### How much does Primos Mobile Truck & RV Testing charge for a Clean Truck Check?

Primos Mobile Truck & RV Testing has not published prices with us; call (707) 310-1367 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](https://ctcfinder.com/guide/cost/).

### Is Primos Mobile Truck & RV Testing a CARB-credentialed tester?

Primos Mobile Truck & RV Testing 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 nearby

- **[David Hartfield III](https://ctcfinder.com/tester/david-hartfield-iii-vallejo/)** — Vallejo, CA 94591 — (510) 707-3344 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[DDK Enterprises INC](https://ctcfinder.com/tester/ddk-enterprises-inc-vallejo/)** — 8012 Vertine Ct, Vallejo, CA 94591 — (510) 563-7016 — 1 mi. Services: mobile testing, OBD testing.
- **[ECS Mobile Services](https://ctcfinder.com/tester/ecs-mobile-services-vallejo/)** — 179 Coloma Way, Vallejo, CA 94589 — (707) 398-8574 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Michael's Transportation Service Inc.](https://ctcfinder.com/tester/michaels-transportation-service-inc-vallejo/)** — 140 Yolano Dr, Vallejo, CA 94589 — (707) 712-6713 — 3 mi. Services: not listed.
- **[Days Smog& DMV Registration Services](https://ctcfinder.com/tester/days-smog-and-dmv-registration-services-vallejo/)** — 1624 Broadway St, Vallejo, CA 94590 — (707) 997-0420 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Touch Trucking LLC](https://ctcfinder.com/tester/touch-trucking-llc-vallejo/)** — 301 Greenfield Ave, Vallejo, CA 94590 — (510) 496-1005 — 4 mi. Services: mobile testing, OBD testing.