---
title: "Gerardo Franco — Clean Truck Check, Rancho Cucamonga, CA"
description: "Gerardo Franco in Rancho Cucamonga, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and…"
url: "https://ctcfinder.com/tester/gerardo-franco-rancho-cucamonga/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Gerardo Franco

Clean Truck Check tester in Rancho Cucamonga, CA (San Bernardino 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 | Rancho Cucamonga, CA 91737 |
| County | San Bernardino County |
| Phone | (626) 255-1244 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Gerardo Franco 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 | Yes |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Lucky Clean Truck Check in Rancho Cucamonga, about 1 mile away. [See listing](https://ctcfinder.com/tester/lucky-clean-truck-check-rancho-cucamonga/).

## Clean Truck Check testers in San Bernardino County

Gerardo Franco is one of 277 testing businesses in San Bernardino County on CARB's public tester list. 243 of them offer mobile testing and 98 do smoke opacity tests. In Rancho Cucamonga itself there are 18 listed businesses, 17 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 Franco offer mobile Clean Truck Check testing?

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

Gerardo Franco does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Lucky Clean Truck Check](https://ctcfinder.com/tester/lucky-clean-truck-check-rancho-cucamonga/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

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

Gerardo Franco has not published prices with us; call (626) 255-1244 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 Franco a CARB-credentialed tester?

Gerardo Franco 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

- **[Lucky Clean Truck Check](https://ctcfinder.com/tester/lucky-clean-truck-check-rancho-cucamonga/)** — 11610 Mount Rainier Ct, Rancho Cucamonga, CA 91737 — (909) 731-1966 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Maldonado CTC Inspections](https://ctcfinder.com/tester/maldonado-ctc-inspections-rancho-cucamonga/)** — 10131 Thorpe Ct, Rancho Cucamonga, CA 91737 — (909) 527-5693 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Express Bitz Inc](https://ctcfinder.com/tester/express-bitz-inc-rancho-cucamonga/)** — 9031 Avalon St, Rancho Cucamonga, CA 91701 — (626) 848-7213 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[F&K Smog Services](https://ctcfinder.com/tester/f-and-k-smog-services-rancho-cucamonga/)** — Rancho Cucamonga, CA 91701 — (909) 224-8772 — 2 mi. Services: mobile testing, OBD testing.
- **[J-Tech Services Inc](https://ctcfinder.com/tester/j-tech-services-inc-rancho-cucamonga/)** — 7211 Haven Ave Ste E-591, Rancho Cucamonga, CA 91701 — (626) 672-5386 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[JS Clean Truck Check](https://ctcfinder.com/tester/js-clean-truck-check-rancho-cucamonga/)** — 7038 Kinlock Ave, Rancho Cucamonga, CA 91701 — (323) 789-9414 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.