---
title: "Clean Auto Inspections — Clean Truck Check, Orange, CA"
description: "Clean Auto Inspections in Orange, 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/clean-auto-inspections-orange/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Clean Auto Inspections

Clean Truck Check tester in Orange, 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 | Orange, CA 92867 |
| County | Orange County |
| Phone | (714) 646-7223 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Clean Auto Inspections 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 OC Clean Truck LLC in Orange, about 1 mile away. [See listing](https://ctcfinder.com/tester/oc-clean-truck-llc-orange/).

## Clean Truck Check testers in Orange County

Clean Auto Inspections 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 Orange itself there are 14 listed businesses, 12 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 Auto Inspections offer mobile Clean Truck Check testing?

Yes. Clean Auto Inspections 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 Auto Inspections test a 2012 or older diesel truck?

Clean Auto Inspections does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [OC Clean Truck LLC](https://ctcfinder.com/tester/oc-clean-truck-llc-orange/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Clean Auto Inspections charge for a Clean Truck Check?

Clean Auto Inspections has not published prices with us; call (714) 646-7223 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 Auto Inspections a CARB-credentialed tester?

Clean Auto Inspections 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

- **[Mobile CARB Tester](https://ctcfinder.com/tester/mobile-carb-tester-orange/)** — 1748 W Business Center Dr, Orange, CA 92867 — (714) 743-7000 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[OC Clean Truck LLC](https://ctcfinder.com/tester/oc-clean-truck-llc-orange/)** — Orange, CA 92867 — (714) 306-9803 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Orange High Test Only](https://ctcfinder.com/tester/orange-high-test-only-orange/)** — 896 N Cypress St, Orange, CA 92867 — (714) 289-1088 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.
- **[Shawn Truong](https://ctcfinder.com/tester/shawn-truong-orange/)** — Orange, CA 92867 — (714) 397-8025 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Ryan Lane](https://ctcfinder.com/tester/ryan-lane-villa-park/)** — Villa Park, CA 92861 — (714) 204-1891 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Marks old towne service](https://ctcfinder.com/tester/marks-old-towne-service-anaheim/)** — 1391 N Jefferson St, Anaheim, CA 92807 — (714) 933-8077 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.