---
title: "Speedy Smog — Clean Truck Check, Temecula, CA | CTC Finder"
description: "Speedy Smog in Temecula, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing…"
url: "https://ctcfinder.com/tester/speedy-smog-temecula/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Speedy Smog

Clean Truck Check tester in Temecula, CA (Riverside 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 | 28733 Via Montezuma Suite F, Temecula, CA 92590 |
| County | Riverside County |
| Phone | (951) 331-5226 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Speedy Smog 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 Riverside County

Speedy Smog is one of 251 testing businesses in Riverside County on CARB's public tester list. 233 of them offer mobile testing and 102 do smoke opacity tests. In Temecula itself there are 18 listed businesses, 15 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 Speedy Smog offer mobile Clean Truck Check testing?

Yes. Speedy Smog 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 Speedy Smog test a 2012 or older diesel truck?

Yes. Speedy Smog 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 Speedy Smog charge for a Clean Truck Check?

Speedy Smog has not published prices with us; call (951) 331-5226 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 Speedy Smog a CARB-credentialed tester?

Speedy Smog 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

- **[Clean Truck Check Opacity/OBD](https://ctcfinder.com/tester/clean-truck-check-opacity-obd-temecula/)** — 42122 Rio Nedo Rd, Temecula, CA 92590 — (619) 971-9117 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Murrieta development company](https://ctcfinder.com/tester/murrieta-development-company-temecula/)** — 42540 Rio Nedo, Temecula, CA 92590 — (951) 386-9514 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[West Coast Wreckers](https://ctcfinder.com/tester/west-coast-wreckers-temecula/)** — 43136 Rancho Way Suite E, Temecula, CA 92590 — (619) 929-9207 — 1 mi. Services: OBD testing.
- **[West Coast Wreckers](https://ctcfinder.com/tester/west-coast-wreckers-temecula-2/)** — 42620 Rio Nedo, Temecula, CA 92590 — (951) 294-0903 — 1 mi. Services: not listed.
- **[Credentialed tester in Temecula](https://ctcfinder.com/tester/credentialed-tester-in-temecula-temecula/)** — 42122 Rio Nedo, Temecula, CA — (619) 971-9117 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Am Auto Smog](https://ctcfinder.com/tester/am-auto-smog-fallbrook/)** — 4292 Rosa Rancho Ln, Fallbrook, CA 92028 — (760) 586-5023 — 7 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.