---
title: "Vrst — Clean Truck Check, Diamond Springs, CA | CTC Finder"
description: "Vrst in Diamond Springs, 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/vrst-diamond-springs/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Vrst

Clean Truck Check tester in Diamond Springs, CA (El Dorado 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 | 6590 Commerce Way, Diamond Springs, CA 95619 |
| County | El Dorado County |
| Phone | (530) 558-8223 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Vrst 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 HFW in Diamond Springs, about 1 mile away. [See listing](https://ctcfinder.com/tester/hfw-diamond-springs/).

## Clean Truck Check testers in El Dorado County

Vrst is one of 16 testing businesses in El Dorado County on CARB's public tester list. 16 of them offer mobile testing and 7 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 Vrst offer mobile Clean Truck Check testing?

Yes. Vrst 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 Vrst test a 2012 or older diesel truck?

Vrst does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [HFW](https://ctcfinder.com/tester/hfw-diamond-springs/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Vrst charge for a Clean Truck Check?

Vrst has not published prices with us; call (530) 558-8223 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 Vrst a CARB-credentialed tester?

Vrst 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

- **[HFW](https://ctcfinder.com/tester/hfw-diamond-springs/)** — 6069 Enterprise Dr, Diamond Springs, CA 95619 — (530) 556-5494 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.
- **[EZ Smog & Repair](https://ctcfinder.com/tester/ez-smog-and-repair-el-dorado/)** — 4504 Missouri Flat Rd, El Dorado, CA 95667 — (530) 626-4211 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[clean Burn Mobile diesel emission testing](https://ctcfinder.com/tester/clean-burn-mobile-diesel-emission-testing-placerville/)** — 3370 Texas Hill Rd, Placerville, CA 95667 — (530) 417-2964 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Nazar Fatnik](https://ctcfinder.com/tester/nazar-fatnik-placerville/)** — Placerville, CA 95667 — (916) 767-5245 — 4 mi. Services: mobile testing, OBD testing.
- **[Smog Ace](https://ctcfinder.com/tester/smog-ace-placerville/)** — 615 Placerville Dr, Placerville, CA 95667 — (916) 719-7664 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Capital City Diesel Inspections- El Dorado County](https://ctcfinder.com/tester/capital-city-diesel-inspections-el-dorado-county-shingle-springs/)** — 4060 Upper Lane, Shingle Springs, CA 95682 — (916) 538-7777 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.