---
title: "Rhiannon Grageda — Clean Truck Check, Torrance, CA"
description: "Rhiannon Grageda in Torrance, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome…"
url: "https://ctcfinder.com/tester/rhiannon-grageda-torrance/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Rhiannon Grageda

Clean Truck Check tester in Torrance, 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 | Torrance, CA 90501 |
| County | Los Angeles County |
| Phone | (424) 772-8948 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Rhiannon Grageda 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

Rhiannon Grageda 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 Torrance itself there are 11 listed businesses, 11 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 Rhiannon Grageda offer mobile Clean Truck Check testing?

Yes. Rhiannon Grageda 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 Rhiannon Grageda test a 2012 or older diesel truck?

Yes. Rhiannon Grageda 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 Rhiannon Grageda charge for a Clean Truck Check?

Rhiannon Grageda has not published prices with us; call (424) 772-8948 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 Rhiannon Grageda a CARB-credentialed tester?

Rhiannon Grageda 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

- **[Anguiano clean truck](https://ctcfinder.com/tester/anguiano-clean-truck-torrance/)** — 21727 S Western Ave, Torrance, CA 90501 — (310) 222-8622 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[DF Systems](https://ctcfinder.com/tester/df-systems-torrance/)** — 2463 W 208th St Suite 203, Torrance, CA 90501 — (213) 309-4449 — 1 mi. Services: mobile testing, OBD testing.
- **[MnKEIS](https://ctcfinder.com/tester/mnkeis-torrance/)** — 1647 W 214th St, Torrance, CA 90501 — (310) 809-2791 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Myosha Lair](https://ctcfinder.com/tester/myosha-lair-torrance/)** — Torrance, CA 90501 — (424) 287-8303 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Eddy Morales](https://ctcfinder.com/tester/eddy-morales-torrance/)** — Torrance, CA 90503 — (310) 892-3697 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[IJN mobile diesel](https://ctcfinder.com/tester/ijn-mobile-diesel-torrance/)** — 3649 Garnet Street, Torrance, CA 90503 — (424) 318-7780 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.