---
title: "Gridley Ford — Clean Truck Check, Gridley, CA | CTC Finder"
description: "Gridley Ford in Gridley, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/gridley-ford-gridley/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Gridley Ford

Clean Truck Check tester in Gridley, CA (Butte 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 | Gridley, CA 95948 |
| County | Butte County |
| Phone | (530) 403-3385 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Gridley Ford 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 Mechanic Works in Biggs, about 7 miles away. [See listing](https://ctcfinder.com/tester/mechanic-works-biggs/).

## Clean Truck Check testers in Butte County

Gridley Ford is one of 24 testing businesses in Butte County on CARB's public tester list. 20 of them offer mobile testing and 8 do smoke opacity tests. In Gridley itself there are 3 listed businesses, 3 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 Gridley Ford offer mobile Clean Truck Check testing?

Yes. Gridley Ford 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 Gridley Ford test a 2012 or older diesel truck?

Gridley Ford does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Mechanic Works](https://ctcfinder.com/tester/mechanic-works-biggs/) (about 7 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Gridley Ford charge for a Clean Truck Check?

Gridley Ford has not published prices with us; call (530) 403-3385 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 Gridley Ford a CARB-credentialed tester?

Gridley Ford 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

- **[Dans Diesel Performance](https://ctcfinder.com/tester/dans-diesel-performance-gridley/)** — 1825 Ringnecked Pheasant Ct, Gridley, CA 95948 — (530) 720-9349 — 1 mi. Services: mobile testing, OBD testing.
- **[Gridley Country Ford](https://ctcfinder.com/tester/gridley-country-ford-gridley/)** — Gridley, CA 95948 — (530) 961-2968 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Dalpreet Kullar](https://ctcfinder.com/tester/dalpreet-kullar-live-oak/)** — Live Oak, CA 95953 — (530) 790-8998 — 6 mi. Services: mobile testing, OBD testing.
- **[Harold Greenberg](https://ctcfinder.com/tester/harold-greenberg-biggs/)** — Biggs, CA 95917 — (916) 917-8496 — 7 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Mechanic Works](https://ctcfinder.com/tester/mechanic-works-biggs/)** — 2936 2nd St, Biggs, CA 95917 — (530) 237-4417 — 7 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Registration Regulations and applications](https://ctcfinder.com/tester/registration-regulations-and-applications-biggs/)** — 2542 Highway 99, Biggs, CA 95917 — (530) 570-3229 — 7 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.