---
title: "The Smog GUY — Clean Truck Check, Salida, CA | CTC Finder"
description: "The Smog GUY in Salida, CA is on CARB's Clean Truck Check tester list. Offers OBD testing, motorhome testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/the-smog-guy-salida/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# The Smog GUY

Clean Truck Check tester in Salida, 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 | 5652 Pirrone Rd, Salida, CA 95368 |
| County | Stanislaus County |
| Phone | (209) 812-5206 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks The Smog GUY 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 Amador Castaneda in Salida, about 1 mile away. [See listing](https://ctcfinder.com/tester/amador-castaneda-salida/).

If you need a tester at your yard, the nearest listed tester that offers mobile testing is Amador Castaneda in Salida, about 1 mile away. [See listing](https://ctcfinder.com/tester/amador-castaneda-salida/).

## Clean Truck Check testers in Stanislaus County

The Smog GUY 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.

## 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 The Smog GUY offer mobile Clean Truck Check testing?

Not according to CARB's tester list; plan to bring the truck to the tester. The nearest listed mobile tester is [Amador Castaneda](https://ctcfinder.com/tester/amador-castaneda-salida/) (about 1 mile).

### Can The Smog GUY test a 2012 or older diesel truck?

The Smog GUY does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Amador Castaneda](https://ctcfinder.com/tester/amador-castaneda-salida/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does The Smog GUY charge for a Clean Truck Check?

The Smog GUY has not published prices with us; call (209) 812-5206 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 The Smog GUY a CARB-credentialed tester?

The Smog GUY 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

- **[Amador Castaneda](https://ctcfinder.com/tester/amador-castaneda-salida/)** — Salida, CA 95368 — (510) 266-9595 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Amanpreet Singh](https://ctcfinder.com/tester/amanpreet-singh-modesto/)** — Modesto, CA 95356 — (231) 286-0800 — 3 mi. Services: not listed.
- **[Jacob Palleschi](https://ctcfinder.com/tester/jacob-palleschi-modesto/)** — Modesto, CA 95356 — (209) 596-6496 — 3 mi. Services: mobile testing, OBD testing.
- **[Nicholas Cuneo](https://ctcfinder.com/tester/nicholas-cuneo-modesto/)** — Modesto, CA 95356 — (209) 518-2215 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[UPS](https://ctcfinder.com/tester/ups-modesto/)** — 3201 Nightingale Dr, Modesto, CA 95356 — (209) 324-5784 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[A2z Solutions INC](https://ctcfinder.com/tester/a2z-solutions-inc-ripon/)** — Ripon, CA 95366 — (209) 707-9021 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.