---
title: "Certified Smoke-Check Plus — Clean Truck Check, West Sacramento, CA"
description: "Certified Smoke-Check Plus in West Sacramento, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD)…"
url: "https://ctcfinder.com/tester/certified-smoke-check-plus-west-sacramento/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Certified Smoke-Check Plus

Clean Truck Check tester in West Sacramento, CA (Yolo 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 | West Sacramento, CA 95691 |
| County | Yolo County |
| Phone | (916) 335-9201 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Certified Smoke-Check Plus 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 Yolo County

Certified Smoke-Check Plus is one of 42 testing businesses in Yolo County on CARB's public tester list. 36 of them offer mobile testing and 23 do smoke opacity tests. In West Sacramento itself there are 21 listed businesses, 16 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 Certified Smoke-Check Plus offer mobile Clean Truck Check testing?

Yes. Certified Smoke-Check Plus 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 Certified Smoke-Check Plus test a 2012 or older diesel truck?

Yes. Certified Smoke-Check Plus 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 Certified Smoke-Check Plus charge for a Clean Truck Check?

Certified Smoke-Check Plus has not published prices with us; call (916) 335-9201 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 Certified Smoke-Check Plus a CARB-credentialed tester?

Certified Smoke-Check Plus 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

- **[Quickpass carb check](https://ctcfinder.com/tester/quickpass-carb-check-sacramento/)** — 7430 19th St, Sacramento, CA 95691 — (415) 261-2600 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[BH Auto Service LLC](https://ctcfinder.com/tester/bh-auto-service-llc-west-sacramento/)** — 746 Glide Ave, West Sacramento, CA 95691 — (916) 239-5707 — 1 mi. Services: OBD testing.
- **[Bryan Gomez](https://ctcfinder.com/tester/bryan-gomez-west-sacramento/)** — West Sacramento, CA 95691 — (916) 820-2882 — 1 mi. Services: OBD testing.
- **[Bryan Moore](https://ctcfinder.com/tester/bryan-moore-west-sacramento/)** — West Sacramento, CA 95691 — (530) 682-2458 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Caietti's Truck Repair](https://ctcfinder.com/tester/caiettis-truck-repair-west-sacramento/)** — 404 Harbor Blvd, West Sacramento, CA 95691 — (916) 616-1073 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[carbdieseltest.com](https://ctcfinder.com/tester/carbdieseltest-com-west-sacramento/)** — West Sacramento, CA 95691 — (916) 538-7777 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.