---
title: "Thomas Myers — Clean Truck Check, Zieglerville, PA"
description: "Thomas Myers in Zieglerville, PA is on CARB's Clean Truck Check tester list. Offers smoke opacity (non-OBD) testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/thomas-myers-zieglerville-pa/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Thomas Myers

Clean Truck Check tester in Zieglerville, PA.

> 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 | Zieglerville, PA 19492 |
| Phone | (610) 809-9358 |
| Mobile testing | No |
| OBD testing | No |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Thomas Myers can test

| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Not listed |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Not listed |
| 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 | Not listed |

If you need a tester at your yard, the nearest listed tester that offers mobile testing is AIRLIMITS-Philadelphia in Philadelphia, about 30 miles away. [See listing](https://ctcfinder.com/tester/airlimits-philadelphia-philadelphia-pa/).

## Clean Truck Check testers in Pennsylvania

Thomas Myers is one of 16 testing businesses in Pennsylvania on CARB's public tester list. 10 of them offer mobile testing and 4 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 Thomas Myers offer mobile Clean Truck Check testing?

Not according to CARB's tester list; plan to bring the truck to the tester. The nearest listed mobile tester is [AIRLIMITS-Philadelphia](https://ctcfinder.com/tester/airlimits-philadelphia-philadelphia-pa/) (about 30 miles).

### Can Thomas Myers test a 2012 or older diesel truck?

Yes. Thomas Myers 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 Thomas Myers charge for a Clean Truck Check?

Thomas Myers has not published prices with us; call (610) 809-9358 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 Thomas Myers a CARB-credentialed tester?

Thomas Myers 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

- **[GL Sayre](https://ctcfinder.com/tester/gl-sayre-conshohocken-pa/)** — Conshohocken, PA 19428 — (610) 277-2002 — 17 mi. Services: OBD testing, motorhome testing.
- **[The Pete Store Philadelphia](https://ctcfinder.com/tester/the-pete-store-philadelphia-conshohocken-pa/)** — Conshohocken, PA 19428 — (610) 277-2000 — 17 mi. Services: not listed.