---
title: "P&M Mobile Diesel Service — Clean Truck Check, Corona, CA"
description: "P&M Mobile Diesel Service in Corona, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing…"
url: "https://ctcfinder.com/tester/p-and-m-mobile-diesel-service-corona/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# P&M Mobile Diesel Service

Clean Truck Check tester in Corona, 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 | 420 McKinley St 111-399, Corona, CA 92879 |
| County | Riverside County |
| Phone | (909) 519-2612 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks P&M Mobile Diesel Service 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 Riverside County

P&M Mobile Diesel Service 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 Corona itself there are 18 listed businesses, 17 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 P&M Mobile Diesel Service offer mobile Clean Truck Check testing?

Yes. P&M Mobile Diesel Service 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 P&M Mobile Diesel Service test a 2012 or older diesel truck?

Yes. P&M Mobile Diesel Service 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 P&M Mobile Diesel Service charge for a Clean Truck Check?

P&M Mobile Diesel Service has not published prices with us; call (909) 519-2612 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 P&M Mobile Diesel Service a CARB-credentialed tester?

P&M Mobile Diesel Service 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

- **[Diesel Smog Check](https://ctcfinder.com/tester/diesel-smog-check-corona/)** — Corona, CA 92879 — (951) 953-1892 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Exhaust Emission Reduction Specialists (Eers)](https://ctcfinder.com/tester/exhaust-emission-reduction-specialists-eers-corona/)** — 301 Blaine St, Corona, CA 92879 — (951) 734-3400 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[PCM Services](https://ctcfinder.com/tester/pcm-services-corona/)** — 211 Granite St Suite J, Corona, CA 92879 — (714) 743-7000 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[T@T Auto Air](https://ctcfinder.com/tester/t-t-auto-air-corona/)** — 3001 Hampshire Cir, Corona, CA 92879 — (951) 833-6075 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Godofredo Valencia](https://ctcfinder.com/tester/godofredo-valencia-corona/)** — Corona, CA 92878 — (951) 818-8605 — 3 mi. Services: mobile testing, OBD testing.
- **[SVT Fleet Solution](https://ctcfinder.com/tester/svt-fleet-solution-corona/)** — 509 Bateman Cir, Corona, CA 92878 — (562) 896-3429 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.