---
title: "Peterson Cat — Clean Truck Check, Chico, CA | CTC Finder"
description: "Peterson Cat in Chico, 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/peterson-cat-chico/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Peterson Cat

Clean Truck Check tester in Chico, 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 | Chico, CA 95928 |
| County | Butte County |
| Phone | (530) 781-2690 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Peterson Cat 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 Butte County

Peterson Cat 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 Chico itself there are 10 listed businesses, 9 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 Peterson Cat offer mobile Clean Truck Check testing?

Yes. Peterson Cat 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 Peterson Cat test a 2012 or older diesel truck?

Yes. Peterson Cat 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 Peterson Cat charge for a Clean Truck Check?

Peterson Cat has not published prices with us; call (530) 781-2690 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 Peterson Cat a CARB-credentialed tester?

Peterson Cat 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

- **[Arvonen Construction Tester](https://ctcfinder.com/tester/arvonen-construction-tester-chico/)** — 327 Entler Ave, Chico, CA 95928 — (530) 624-2231 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[C & C Utility Inc.](https://ctcfinder.com/tester/c-and-c-utility-inc-chico/)** — 632 Entler Ave, Chico, CA 95928 — (530) 282-7621 — 1 mi. Services: OBD testing.
- **[E&T Truck Repair](https://ctcfinder.com/tester/e-and-t-truck-repair-chico/)** — 2266 Park Ave, Chico, CA 95928 — (360) 270-1279 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[NorCal Auto Inc](https://ctcfinder.com/tester/norcal-auto-inc-chico/)** — 225 Sellers Way, Chico, CA 95928 — (530) 966-0975 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[NorCal Mobile HDTC](https://ctcfinder.com/tester/norcal-mobile-hdtc-chico/)** — Chico, CA 95928 — (530) 415-6087 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Mobile CARB Testing](https://ctcfinder.com/tester/mobile-carb-testing-chico/)** — 1413 Spruce Ave, Chico, CA 95926 — (530) 845-2840 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.