---
title: "Joshua Leek — Clean Truck Check, Mansfield, TX | CTC Finder"
description: "Joshua Leek in Mansfield, TX is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/joshua-leek-mansfield-tx/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Joshua Leek

Clean Truck Check tester in Mansfield, TX.

> 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 | Mansfield, TX 76063 |
| Phone | (214) 200-1592 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Joshua Leek 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 - FT Worth in Fort Worth, about 20 miles away. [See listing](https://ctcfinder.com/tester/airlimits-ft-worth-fort-worth-tx/).

## Clean Truck Check testers in Texas

Joshua Leek is one of 46 testing businesses in Texas on CARB's public tester list. 37 of them offer mobile testing and 18 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 Joshua Leek offer mobile Clean Truck Check testing?

Yes. Joshua Leek 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 Joshua Leek test a 2012 or older diesel truck?

Joshua Leek does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [AIRLIMITS - FT Worth](https://ctcfinder.com/tester/airlimits-ft-worth-fort-worth-tx/) (about 20 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Joshua Leek charge for a Clean Truck Check?

Joshua Leek has not published prices with us; call (214) 200-1592 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 Joshua Leek a CARB-credentialed tester?

Joshua Leek 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

- **[TEAL D - Mobile Diesel & Auto Technician](https://ctcfinder.com/tester/teal-d-mobile-diesel-and-auto-technician-mansfield-tx/)** — 7730 Grimsley Gibson Rd, Mansfield, TX 76063 — (214) 840-3195 — 1 mi. Services: mobile testing, OBD testing.
- **[Truck Check Express LLC -Fort Worth Mobile Testing](https://ctcfinder.com/tester/truck-check-express-llc-fort-worth-mobile-testing-fort-worth-tx/)** — 200 Garden Acres Dr, Fort Worth, TX 76140 — (214) 709-0552 — 8 mi. Services: mobile testing, OBD testing.
- **[Truck Check Express LLC - Dallas Mobile Testing](https://ctcfinder.com/tester/truck-check-express-llc-dallas-mobile-testing-dallas-tx/)** — 8800 S Polk St, Dallas, TX 75232 — (214) 709-0552 — 19 mi. Services: mobile testing, OBD testing.
- **[AIRLIMITS - FT Worth](https://ctcfinder.com/tester/airlimits-ft-worth-fort-worth-tx/)** — Fort Worth, TX 76116 — (800) 788-5241 — 20 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Direct Diesel Repair](https://ctcfinder.com/tester/direct-diesel-repair-north-richland-hills-tx/)** — 8408 Hillcrest Ct, North Richland Hills, TX 76182 — (817) 989-0796 — 22 mi. Services: mobile testing, OBD testing, motorhome testing.