---
title: "T A After Treatment Services LLC — Clean Truck Check, El Paso, TX"
description: "T A After Treatment Services LLC in El Paso, TX is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone…"
url: "https://ctcfinder.com/tester/t-a-after-treatment-services-llc-el-paso-tx/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# T A After Treatment Services LLC

Clean Truck Check tester in El Paso, 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 | 3324 Wexford Dr, El Paso, TX 79925 |
| Phone | (915) 490-5685 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks T A After Treatment Services LLC 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 | Yes |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is A_Dr. Green clean truck mobile 24/7 in El Paso, about 17 miles away. [See listing](https://ctcfinder.com/tester/a-dr-green-clean-truck-mobile-24-7-el-paso-tx/).

## Clean Truck Check testers in Texas

T A After Treatment Services LLC 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 T A After Treatment Services LLC offer mobile Clean Truck Check testing?

Yes. T A After Treatment Services LLC 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 T A After Treatment Services LLC test a 2012 or older diesel truck?

T A After Treatment Services LLC does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [A_Dr. Green clean truck mobile 24/7](https://ctcfinder.com/tester/a-dr-green-clean-truck-mobile-24-7-el-paso-tx/) (about 17 miles). Trucks from 2013 on get an OBD scan instead.

### How much does T A After Treatment Services LLC charge for a Clean Truck Check?

T A After Treatment Services LLC has not published prices with us; call (915) 490-5685 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 T A After Treatment Services LLC a CARB-credentialed tester?

T A After Treatment Services LLC 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

- **[MT Combustion services llc](https://ctcfinder.com/tester/mt-combustion-services-llc-el-paso-tx/)** — 10212 Cardigan Dr, El Paso, TX 79925 — (915) 209-9784 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[A_Dr. Green clean truck mobile 24/7](https://ctcfinder.com/tester/a-dr-green-clean-truck-mobile-24-7-el-paso-tx/)** — 117 Via Rojas Dr, El Paso, TX 79928 — (915) 443-1431 — 17 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.
- **[JPN Transport](https://ctcfinder.com/tester/jpn-transport-el-paso-tx/)** — 1245 Doy Dr, El Paso, TX 79928 — (915) 258-6114 — 17 mi. Services: mobile testing, OBD testing.