---
title: "Diesel Exhaust & Emissions LLC — Clean Truck Check, Santa Fe Springs, CA"
description: "Diesel Exhaust & Emissions LLC in Santa Fe Springs, CA is on CARB's Clean Truck Check tester list with 2 credentialed testers. Offers mobile testing, OBD…"
url: "https://ctcfinder.com/tester/diesel-exhaust-and-emissions-llc-santa-fe-springs/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Diesel Exhaust & Emissions LLC

Clean Truck Check tester in Santa Fe Springs, CA (Los Angeles 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 | 11043 Shoemaker Ave, Santa Fe Springs, CA 90670 |
| County | Los Angeles County |
| Phone | (562) 682-5232 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 2 |
| Last verified | 2026-11-01 |

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

## Clean Truck Check testers in Los Angeles County

Diesel Exhaust & Emissions LLC is one of 516 testing businesses in Los Angeles County on CARB's public tester list. 465 of them offer mobile testing and 190 do smoke opacity tests. In Santa Fe Springs itself there are 11 listed businesses, 8 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 Diesel Exhaust & Emissions LLC offer mobile Clean Truck Check testing?

Yes. Diesel Exhaust & Emissions 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 Diesel Exhaust & Emissions LLC test a 2012 or older diesel truck?

Yes. Diesel Exhaust & Emissions LLC 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 Diesel Exhaust & Emissions LLC charge for a Clean Truck Check?

Diesel Exhaust & Emissions LLC has not published prices with us; call (562) 682-5232 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 Diesel Exhaust & Emissions LLC a CARB-credentialed tester?

Diesel Exhaust & Emissions LLC appears on CARB's public Clean Truck Check tester list with 2 credentialed testers, 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

- **[April Freight](https://ctcfinder.com/tester/april-freight-santa-fe-springs/)** — 12848 Imperial Hwy, Santa Fe Springs, CA 90670 — (626) 828-1472 — 1 mi. Services: OBD testing.
- **[Diesel Exhaust & Emissions](https://ctcfinder.com/tester/diesel-exhaust-and-emissions-santa-fe-springs/)** — 11039 Shoemaker Ave, Santa Fe Springs, CA 90670 — (562) 734-6302 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Diesel Exhaust & Emissions, LLC.](https://ctcfinder.com/tester/diesel-exhaust-and-emissions-llc-santa-fe-springs-2/)** — 11039 Shoemaker Ave, Santa Fe Springs, CA 90670 — (562) 346-0089 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Diesel Pros Inc](https://ctcfinder.com/tester/diesel-pros-inc-santa-fe-springs/)** — 13241 Alondra Boulevard, Santa Fe Springs, CA 90670 — (562) 254-1089 — 1 mi. Services: mobile testing, OBD testing.
- **[Flat Rate Equipment Repair](https://ctcfinder.com/tester/flat-rate-equipment-repair-santa-fe-springs/)** — 8130 Allport Avenue, Santa Fe Springs, CA 90670 — (562) 824-6244 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Mef Express](https://ctcfinder.com/tester/mef-express-santa-fe-springs/)** — 9415 Sorensen Ave, Santa Fe Springs, CA 90670 — (818) 939-6712 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.