---
title: "Marcial Orozco — Clean Truck Check, Claremont, CA"
description: "Marcial Orozco in Claremont, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/marcial-orozco-claremont/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Marcial Orozco

Clean Truck Check tester in Claremont, CA (Los Angeles 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 | Claremont, CA 91711 |
| County | Los Angeles County |
| Phone | (626) 377-1669 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Marcial Orozco 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 | Not listed |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Exfil Mobile Diesel Solutions Inc in Claremont, about 1 mile away. [See listing](https://ctcfinder.com/tester/exfil-mobile-diesel-solutions-inc-claremont/).

## Clean Truck Check testers in Los Angeles County

Marcial Orozco is one of 516 testing businesses in Los Angeles County on CARB's public tester list. 465 of them offer mobile testing and 190 do smoke opacity tests. In Claremont itself there are 4 listed businesses, 4 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 Marcial Orozco offer mobile Clean Truck Check testing?

Yes. Marcial Orozco 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 Marcial Orozco test a 2012 or older diesel truck?

Marcial Orozco does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Exfil Mobile Diesel Solutions Inc](https://ctcfinder.com/tester/exfil-mobile-diesel-solutions-inc-claremont/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Marcial Orozco charge for a Clean Truck Check?

Marcial Orozco has not published prices with us; call (626) 377-1669 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 Marcial Orozco a CARB-credentialed tester?

Marcial Orozco 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

- **[Exfil Mobile Diesel Solutions Inc](https://ctcfinder.com/tester/exfil-mobile-diesel-solutions-inc-claremont/)** — 4224 Lynoak Drive, Claremont, CA 91711 — (909) 229-2258 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Fleet Check Mobile](https://ctcfinder.com/tester/fleet-check-mobile-claremont/)** — 272 Carnegie Ave, Claremont, CA 91711 — (909) 921-6533 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Professional Elite Fleet services](https://ctcfinder.com/tester/professional-elite-fleet-services-claremont/)** — 613 Converse Ave, Claremont, CA 91711 — (661) 547-9926 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Preventive Mobile Inc](https://ctcfinder.com/tester/preventive-mobile-inc-la-verne/)** — 1395 Fairplex Dr A8, La Verne, CA 91750 — (626) 280-5038 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[RigCheckr](https://ctcfinder.com/tester/rigcheckr-la-verne/)** — 2570 Mono Circle, La Verne, CA 91750 — (702) 275-2044 — 3 mi. Services: mobile testing, OBD testing.
- **[V&A’s Clean Truck Check](https://ctcfinder.com/tester/v-and-as-clean-truck-check-la-verne/)** — 1111 Gladstone St, La Verne, CA 91750 — (909) 240-2770 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.