---
title: "AIRLIMITS-Portland OR — Clean Truck Check, Portland, OR"
description: "AIRLIMITS-Portland OR in Portland, OR is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing…"
url: "https://ctcfinder.com/tester/airlimits-portland-or-portland-or/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# AIRLIMITS-Portland OR

Clean Truck Check tester in Portland, OR.

> 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 | Portland, OR 97229 |
| Phone | (800) 788-5241 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks AIRLIMITS-Portland OR 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 Oregon

AIRLIMITS-Portland OR is one of 25 testing businesses in Oregon on CARB's public tester list. 21 of them offer mobile testing and 6 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 AIRLIMITS-Portland OR offer mobile Clean Truck Check testing?

Yes. AIRLIMITS-Portland OR 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 AIRLIMITS-Portland OR test a 2012 or older diesel truck?

Yes. AIRLIMITS-Portland OR 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 AIRLIMITS-Portland OR charge for a Clean Truck Check?

AIRLIMITS-Portland OR has not published prices with us; call (800) 788-5241 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 AIRLIMITS-Portland OR a CARB-credentialed tester?

AIRLIMITS-Portland OR 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 Emissions Service](https://ctcfinder.com/tester/diesel-emissions-service-portland-or/)** — 9861 N Vancouver Way, Portland, OR 97217 — (971) 544-7282 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Stephen Ewald](https://ctcfinder.com/tester/stephen-ewald-portland-or/)** — Portland, OR 97217 — (360) 241-2293 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Andrew Royce](https://ctcfinder.com/tester/andrew-royce-portland-or/)** — Portland, OR 97211 — (503) 715-3013 — 9 mi. Services: mobile testing, OBD testing.
- **[Pape](https://ctcfinder.com/tester/pape-portland-or/)** — 550 NE Columbia Blvd, Portland, OR 97211 — (503) 953-0062 — 9 mi. Services: mobile testing, OBD testing.
- **[Harmer Steel Products](https://ctcfinder.com/tester/harmer-steel-products-portland-or/)** — Portland, OR 97231 — (503) 679-5265 — 10 mi. Services: not listed.
- **[CalifornAir Diesel Emissions Testing](https://ctcfinder.com/tester/californair-diesel-emissions-testing-clackamas-or/)** — 15689 SE Rainier Ave, Clackamas, OR 97015 — (503) 724-5506 — 16 mi. Services: mobile testing, OBD testing.