---
title: "American Diesel Repair — Clean Truck Check, El Centro, CA"
description: "American Diesel Repair in El Centro, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing…"
url: "https://ctcfinder.com/tester/american-diesel-repair-el-centro/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# American Diesel Repair

Clean Truck Check tester in El Centro, CA (Imperial County).

> 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 | 702 E Ross Ave, El Centro, CA 92243 |
| County | Imperial County |
| Phone | (760) 540-2006 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks American Diesel Repair 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 | Yes |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |

## Clean Truck Check testers in Imperial County

American Diesel Repair is one of 15 testing businesses in Imperial County on CARB's public tester list. 14 of them offer mobile testing and 7 do smoke opacity tests. In El Centro itself there are 4 listed businesses, 4 of them mobile.

## 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 American Diesel Repair offer mobile Clean Truck Check testing?

Yes. American Diesel Repair 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 American Diesel Repair test a 2012 or older diesel truck?

Yes. American Diesel Repair 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 American Diesel Repair charge for a Clean Truck Check?

American Diesel Repair has not published prices with us; call (760) 540-2006 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 American Diesel Repair a CARB-credentialed tester?

American Diesel Repair 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

- **[Anaya Mobile Road Service](https://ctcfinder.com/tester/anaya-mobile-road-service-el-centro/)** — 398 N Earls St, El Centro, CA 92243 — (442) 866-9338 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[El Centro Towing Inc](https://ctcfinder.com/tester/el-centro-towing-inc-el-centro/)** — El Centro, CA 92243 — (442) 200-8719 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Ricardo Lepe](https://ctcfinder.com/tester/ricardo-lepe-el-centro/)** — El Centro, CA 92243 — (760) 791-6779 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Alejandro Valenzuela](https://ctcfinder.com/tester/alejandro-valenzuela-calexico/)** — Calexico, CA 92231 — (760) 554-7600 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Brothers Fuel Stop](https://ctcfinder.com/tester/brothers-fuel-stop-calexico/)** — 105 W Cole Blvd, Calexico, CA 92231 — (442) 204-4017 — 6 mi. Services: OBD testing.
- **[Ev Logistics LLC](https://ctcfinder.com/tester/ev-logistics-llc-calexico/)** — 413 Rood Rd, Calexico, CA 92231 — (442) 367-6600 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.