---
title: "Chris Horton — Clean Truck Check, Oakdale, CA | CTC Finder"
description: "Chris Horton in Oakdale, 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/chris-horton-oakdale/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Chris Horton

Clean Truck Check tester in Oakdale, CA (Stanislaus 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 | Oakdale, CA 95361 |
| County | Stanislaus County |
| Phone | (510) 697-9505 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Chris Horton 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 John Pascale in Oakdale, about 1 mile away. [See listing](https://ctcfinder.com/tester/john-pascale-oakdale/).

## Clean Truck Check testers in Stanislaus County

Chris Horton is one of 53 testing businesses in Stanislaus County on CARB's public tester list. 47 of them offer mobile testing and 22 do smoke opacity tests. In Oakdale itself there are 5 listed businesses, 5 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 Chris Horton offer mobile Clean Truck Check testing?

Yes. Chris Horton 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 Chris Horton test a 2012 or older diesel truck?

Chris Horton does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [John Pascale](https://ctcfinder.com/tester/john-pascale-oakdale/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Chris Horton charge for a Clean Truck Check?

Chris Horton has not published prices with us; call (510) 697-9505 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 Chris Horton a CARB-credentialed tester?

Chris Horton 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

- **[John Pascale](https://ctcfinder.com/tester/john-pascale-oakdale/)** — Oakdale, CA 95361 — (209) 480-4814 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[K7 Group LLC](https://ctcfinder.com/tester/k7-group-llc-oakdale/)** — 7243 Autrey Ct, Oakdale, CA 95361 — (916) 346-6730 — 1 mi. Services: mobile testing, OBD testing.
- **[Monkey's Smog Center](https://ctcfinder.com/tester/monkeys-smog-center-oakdale/)** — 217 W F St, Oakdale, CA 95361 — (209) 595-6293 — 1 mi. Services: mobile testing, OBD testing.
- **[Steven Ingram](https://ctcfinder.com/tester/steven-ingram-oakdale/)** — Oakdale, CA 95361 — (209) 612-9844 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Coast Machine Inc](https://ctcfinder.com/tester/coast-machine-inc-copperopolis/)** — 5615 Chuckwagon Dr, Copperopolis, CA 95228 — (650) 444-4945 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Freedom smog](https://ctcfinder.com/tester/freedom-smog-riverbank/)** — 2660 Patterson Rd, Riverbank, CA 95367 — (209) 622-9156 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.