---
title: "American Diesel — Clean Truck Check, Murrieta, CA"
description: "American Diesel in Murrieta, 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/american-diesel-murrieta/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# American Diesel

Clean Truck Check tester in Murrieta, CA (Riverside 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 | 26670 Madison Ave, Murrieta, CA 92562 |
| County | Riverside County |
| Phone | (479) 295-3363 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks American Diesel 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 dlaserscreed.com in Lake Elsinore, about 7 miles away. [See listing](https://ctcfinder.com/tester/dlaserscreed-com-lake-elsinore/).

## Clean Truck Check testers in Riverside County

American Diesel is one of 251 testing businesses in Riverside County on CARB's public tester list. 233 of them offer mobile testing and 102 do smoke opacity tests. In Murrieta itself there are 10 listed businesses, 10 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 American Diesel offer mobile Clean Truck Check testing?

Yes. American Diesel 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 American Diesel test a 2012 or older diesel truck?

American Diesel does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [dlaserscreed.com](https://ctcfinder.com/tester/dlaserscreed-com-lake-elsinore/) (about 7 miles). Trucks from 2013 on get an OBD scan instead.

### How much does American Diesel charge for a Clean Truck Check?

American Diesel has not published prices with us; call (479) 295-3363 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 American Diesel a CARB-credentialed tester?

American Diesel 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

- **[Ashish Acharjee](https://ctcfinder.com/tester/ashish-acharjee-murrieta/)** — Murrieta, CA 92562 — (909) 658-4782 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Clarks carb testing & Compliance](https://ctcfinder.com/tester/clarks-carb-testing-and-compliance-murrieta/)** — 36037 Ravello ct., Murrieta, CA 92562 — (951) 375-1003 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[G.Smith Truck Repair](https://ctcfinder.com/tester/g-smith-truck-repair-murrieta/)** — 41186 Cipresso Cir, Murrieta, CA 92562 — (949) 874-0670 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Pacific States Transporation](https://ctcfinder.com/tester/pacific-states-transporation-murrieta/)** — 40880 Eleanora Way, Murrieta, CA 92562 — (951) 760-1032 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Smog Star Test Only](https://ctcfinder.com/tester/smog-star-test-only-murrieta/)** — 41419 Pear St Suite 11, Murrieta, CA 92562 — (714) 722-5229 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Airco Smog Inc](https://ctcfinder.com/tester/airco-smog-inc-lake-elsinore/)** — 16790 Saint Charles Pl, Lake Elsinore, CA 92530 — (951) 245-9762 — 7 mi. Services: mobile testing, OBD testing, motorhome testing.