---
title: "MP Express — Clean Truck Check, Newberry Springs, CA"
description: "MP Express in Newberry Springs, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/mp-express-newberry-springs/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# MP Express

Clean Truck Check tester in Newberry Springs, CA (San Bernardino 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 | 45575 Mendocino Rd, Newberry Springs, CA 92365 |
| County | San Bernardino County |
| Phone | (760) 818-9095 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks MP Express 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 | Not listed |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is American Towing & Recovery Inc in Barstow, about 25 miles away. [See listing](https://ctcfinder.com/tester/american-towing-and-recovery-inc-barstow/).

## Clean Truck Check testers in San Bernardino County

MP Express is one of 277 testing businesses in San Bernardino County on CARB's public tester list. 243 of them offer mobile testing and 98 do smoke opacity tests.

## 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 MP Express offer mobile Clean Truck Check testing?

Yes. MP Express 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 MP Express test a 2012 or older diesel truck?

MP Express does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [American Towing & Recovery Inc](https://ctcfinder.com/tester/american-towing-and-recovery-inc-barstow/) (about 25 miles). Trucks from 2013 on get an OBD scan instead.

### How much does MP Express charge for a Clean Truck Check?

MP Express has not published prices with us; call (760) 818-9095 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 MP Express a CARB-credentialed tester?

MP Express 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.