---
title: "SW Smog Check — Clean Truck Check, Fountain Valley, CA"
description: "SW Smog Check in Fountain Valley, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and…"
url: "https://ctcfinder.com/tester/sw-smog-check-fountain-valley/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# SW Smog Check

Clean Truck Check tester in Fountain Valley, 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 | 16650 Harbor Blvd B15, Fountain Valley, CA 92708 |
| County | Orange County |
| Phone | (909) 992-2630 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks SW Smog Check 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 Famvans in Fountain Valley, about 1 mile away. [See listing](https://ctcfinder.com/tester/famvans-fountain-valley/).

## Clean Truck Check testers in Orange County

SW Smog Check 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 Fountain Valley 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 SW Smog Check offer mobile Clean Truck Check testing?

Yes. SW Smog Check 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 SW Smog Check test a 2012 or older diesel truck?

SW Smog Check does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Famvans](https://ctcfinder.com/tester/famvans-fountain-valley/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does SW Smog Check charge for a Clean Truck Check?

SW Smog Check has not published prices with us; call (909) 992-2630 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 SW Smog Check a CARB-credentialed tester?

SW Smog Check 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

- **[Famvans](https://ctcfinder.com/tester/famvans-fountain-valley/)** — 10900 Kalama River Ave, Fountain Valley, CA 92708 — (657) 509-9516 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Payne Service](https://ctcfinder.com/tester/payne-service-fountain-valley/)** — Fountain Valley, CA 92708 — (949) 529-8557 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[SoCal Truck Scan](https://ctcfinder.com/tester/socal-truck-scan-fountain-valley/)** — 16909 Mount Collien St, Fountain Valley, CA 92708 — (760) 792-0745 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Credentialed tester in Santa Ana](https://ctcfinder.com/tester/credentialed-tester-in-santa-ana-santa-ana-2/)** — 3861 S Bristol St, Santa Ana, CA 92704 — (916) 542-0137 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Francisco Rivera](https://ctcfinder.com/tester/francisco-rivera-santa-ana/)** — Santa Ana, CA 92704 — (714) 472-7644 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[American Trans-Data, Corp](https://ctcfinder.com/tester/american-trans-data-corp-costa-mesa/)** — 2755 Bristol St Suite 150, Costa Mesa, CA 92626 — (715) 350-8949 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.