---
title: "Gerardo Reyes — Clean Truck Check, Fullerton, CA"
description: "Gerardo Reyes in Fullerton, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/gerardo-reyes-fullerton/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Gerardo Reyes

Clean Truck Check tester in Fullerton, CA (Orange 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 | Fullerton, CA 92835 |
| County | Orange County |
| Phone | (714) 906-0090 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Gerardo Reyes 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 | Not listed |
| California-registered motorhome | Same test as above by engine year, once a year | Not listed |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Ngoc Nguyen in Fullerton, about 1 mile away. [See listing](https://ctcfinder.com/tester/ngoc-nguyen-fullerton/).

## Clean Truck Check testers in Orange County

Gerardo Reyes is one of 159 testing businesses in Orange County on CARB's public tester list. 146 of them offer mobile testing and 84 do smoke opacity tests. In Fullerton itself there are 8 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 Gerardo Reyes offer mobile Clean Truck Check testing?

Yes. Gerardo Reyes 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 Gerardo Reyes test a 2012 or older diesel truck?

Gerardo Reyes does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Ngoc Nguyen](https://ctcfinder.com/tester/ngoc-nguyen-fullerton/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Gerardo Reyes charge for a Clean Truck Check?

Gerardo Reyes has not published prices with us; call (714) 906-0090 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 Gerardo Reyes a CARB-credentialed tester?

Gerardo Reyes 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

- **[Ngoc Nguyen](https://ctcfinder.com/tester/ngoc-nguyen-fullerton/)** — Fullerton, CA 92835 — (714) 397-8025 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[VNsocalmobile](https://ctcfinder.com/tester/vnsocalmobile-fullerton/)** — 1440 N Harbor Blvd, Fullerton, CA 92835 — (657) 500-9235 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Fernando Alvarez](https://ctcfinder.com/tester/fernando-alvarez-fullerton/)** — Fullerton, CA 92831 — (714) 823-1187 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Dillon mobile services](https://ctcfinder.com/tester/dillon-mobile-services-fullerton/)** — 507 S Balcom Ave, Fullerton, CA 92832 — (714) 357-1556 — 2 mi. Services: mobile testing.
- **[Fullerton Smog Center](https://ctcfinder.com/tester/fullerton-smog-center-fullerton/)** — 537 W Valencia Dr Suite C, Fullerton, CA 92832 — (714) 452-4126 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Auto logic](https://ctcfinder.com/tester/auto-logic-fullerton/)** — 4344 Artesia Ave, Fullerton, CA 92833 — (714) 403-5422 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.