---
title: "Mechanic Maven — Clean Truck Check, Newberg, OR | CTC Finder"
description: "Mechanic Maven in Newberg, OR is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/mechanic-maven-newberg-or/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Mechanic Maven

Clean Truck Check tester in Newberg, 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 | 3007 E Douglas Ave, Newberg, OR 97132 |
| Phone | (208) 881-2711 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Mechanic Maven 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 | Not listed |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is AIRLIMITS-Portland OR in Portland, about 18 miles away. [See listing](https://ctcfinder.com/tester/airlimits-portland-or-portland-or/).

## Clean Truck Check testers in Oregon

Mechanic Maven 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 Mechanic Maven offer mobile Clean Truck Check testing?

Yes. Mechanic Maven 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 Mechanic Maven test a 2012 or older diesel truck?

Mechanic Maven does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [AIRLIMITS-Portland OR](https://ctcfinder.com/tester/airlimits-portland-or-portland-or/) (about 18 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Mechanic Maven charge for a Clean Truck Check?

Mechanic Maven has not published prices with us; call (208) 881-2711 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 Mechanic Maven a CARB-credentialed tester?

Mechanic Maven 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

- **[AIRLIMITS-Portland OR](https://ctcfinder.com/tester/airlimits-portland-or-portland-or/)** — Portland, OR 97229 — (800) 788-5241 — 18 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Mid State Diesel Repair](https://ctcfinder.com/tester/mid-state-diesel-repair-salem-or/)** — 9065 River Rd NE, Salem, OR 97303 — (805) 414-5147 — 20 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Premier Truck Group Salem Oregon](https://ctcfinder.com/tester/premier-truck-group-salem-oregon-salem-or/)** — 4060 Interstate Pl NE, Salem, OR 97303 — (503) 463-6303 — 20 mi. Services: OBD testing, motorhome testing.
- **[Trans-Pro Inc.](https://ctcfinder.com/tester/trans-pro-inc-salem-or/)** — 3820 Brooklake Rd NE, Salem, OR 97303 — (503) 710-0116 — 20 mi. Services: mobile testing, OBD testing.
- **[CalifornAir Diesel Emissions Testing](https://ctcfinder.com/tester/californair-diesel-emissions-testing-clackamas-or/)** — 15689 SE Rainier Ave, Clackamas, OR 97015 — (503) 724-5506 — 23 mi. Services: mobile testing, OBD testing.
- **[Diesel Emissions Service](https://ctcfinder.com/tester/diesel-emissions-service-portland-or/)** — 9861 N Vancouver Way, Portland, OR 97217 — (971) 544-7282 — 24 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.