---
title: "Clean Carb Experts — Clean Truck Check, Westminster, CA"
description: "Clean Carb Experts in Westminster, 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/clean-carb-experts-westminster/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Clean Carb Experts

Clean Truck Check tester in Westminster, CA (Orange 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 | 13872 Iowa St, Westminster, CA 92683 |
| County | Orange County |
| Phone | (714) 356-8410 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Clean Carb Experts 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 Orange County

Clean Carb Experts is one of 159 testing businesses in Orange County on CARB's public tester list. 146 of them offer mobile testing and 84 do smoke opacity tests. In Westminster itself there are 7 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 Clean Carb Experts offer mobile Clean Truck Check testing?

Yes. Clean Carb Experts 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 Clean Carb Experts test a 2012 or older diesel truck?

Yes. Clean Carb Experts 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 Clean Carb Experts charge for a Clean Truck Check?

Clean Carb Experts has not published prices with us; call (714) 356-8410 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 Clean Carb Experts a CARB-credentialed tester?

Clean Carb Experts 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

- **[Dennis Luu](https://ctcfinder.com/tester/dennis-luu-westminster/)** — Westminster, CA 92683 — (714) 705-9984 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Eladio Diaz](https://ctcfinder.com/tester/eladio-diaz-westminster/)** — Westminster, CA 92683 — (714) 341-7955 — 1 mi. Services: mobile testing, OBD testing.
- **[Ethan Nguyen](https://ctcfinder.com/tester/ethan-nguyen-westminster/)** — Westminster, CA 92683 — (714) 592-4580 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Global Auto Tires](https://ctcfinder.com/tester/global-auto-tires-westminster/)** — 5541 Vallecito Dr, Westminster, CA 92683 — (949) 339-7031 — 1 mi. Services: mobile testing, OBD testing.
- **[Hpcleantruckcheck LLC](https://ctcfinder.com/tester/hpcleantruckcheck-llc-westminster/)** — 15132 Eden St, Westminster, CA 92683 — (714) 794-9613 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Independent](https://ctcfinder.com/tester/independent-westminster/)** — 9301 Bevan Ave, Westminster, CA 92683 — (714) 657-5896 — 1 mi. Services: mobile testing, OBD testing.