---
title: "TEAL D - Mobile Diesel & Auto Technician — Clean Truck Check, Mansfield, TX"
description: "TEAL D - Mobile Diesel & Auto Technician in Mansfield, TX is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and…"
url: "https://ctcfinder.com/tester/teal-d-mobile-diesel-and-auto-technician-mansfield-tx/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# TEAL D - Mobile Diesel & Auto Technician

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 | 7730 Grimsley Gibson Rd, Mansfield, TX 76063 |
| Phone | (214) 840-3195 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks TEAL D - Mobile Diesel & Auto Technician 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

TEAL D - Mobile Diesel & Auto Technician 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 TEAL D - Mobile Diesel & Auto Technician offer mobile Clean Truck Check testing?

Yes. TEAL D - Mobile Diesel & Auto Technician 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 TEAL D - Mobile Diesel & Auto Technician test a 2012 or older diesel truck?

TEAL D - Mobile Diesel & Auto Technician 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 TEAL D - Mobile Diesel & Auto Technician charge for a Clean Truck Check?

TEAL D - Mobile Diesel & Auto Technician has not published prices with us; call (214) 840-3195 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 TEAL D - Mobile Diesel & Auto Technician a CARB-credentialed tester?

TEAL D - Mobile Diesel & Auto Technician 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

- **[Joshua Leek](https://ctcfinder.com/tester/joshua-leek-mansfield-tx/)** — Mansfield, TX 76063 — (214) 200-1592 — 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.