---
title: "Valadez smogs & Diesel service — Clean Truck Check, Palmdale, CA"
description: "Valadez smogs & Diesel service in Palmdale, 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/valadez-smogs-and-diesel-service-palmdale/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Valadez smogs & Diesel service

Clean Truck Check tester in Palmdale, 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 | 37316 Del Mar St, Palmdale, CA 93552 |
| County | Los Angeles County |
| Phone | (661) 434-3256 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Valadez smogs & Diesel service 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

Valadez smogs & Diesel service 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 Palmdale itself there are 12 listed businesses, 10 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 Valadez smogs & Diesel service offer mobile Clean Truck Check testing?

Yes. Valadez smogs & Diesel service 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 Valadez smogs & Diesel service test a 2012 or older diesel truck?

Yes. Valadez smogs & Diesel service 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 Valadez smogs & Diesel service charge for a Clean Truck Check?

Valadez smogs & Diesel service has not published prices with us; call (661) 434-3256 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 Valadez smogs & Diesel service a CARB-credentialed tester?

Valadez smogs & Diesel service 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

- **[Hovhannes Papikyan](https://ctcfinder.com/tester/hovhannes-papikyan-palmdale/)** — Palmdale, CA 93552 — (818) 389-2872 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Jehovanny Mobile Service](https://ctcfinder.com/tester/jehovanny-mobile-service-palmdale/)** — 5541 Cedar Pine Court, Palmdale, CA 93552 — (661) 208-2391 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[M&K Equipment Inspection Services LLC.](https://ctcfinder.com/tester/m-and-k-equipment-inspection-services-llc-littlerock/)** — 11340 East Avenue R, Littlerock, CA 93543 — (310) 987-8409 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Automated Technologies](https://ctcfinder.com/tester/automated-technologies-lancaster/)** — Lancaster, CA 93535 — (661) 965-6279 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Dieseltronics Equipment Repair](https://ctcfinder.com/tester/dieseltronics-equipment-repair-lancaster/)** — 3349 East Avenue I, Lancaster, CA 93535 — (818) 355-2021 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Fletchers diesel](https://ctcfinder.com/tester/fletchers-diesel-lancaster/)** — 42706 5th St E, Lancaster, CA 93535 — (661) 609-7174 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.