---
title: "Eri Marroquin — Clean Truck Check, Fortuna, CA | CTC Finder"
description: "Eri Marroquin in Fortuna, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/eri-marroquin-fortuna/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Eri Marroquin

Clean Truck Check tester in Fortuna, CA (Humboldt 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 | Fortuna, CA 95540 |
| County | Humboldt County |
| Phone | (714) 380-2971 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Eri Marroquin 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 | Not listed |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Johns' Group LLC in Fortuna, about 1 mile away. [See listing](https://ctcfinder.com/tester/johns-group-llc-fortuna/).

## Clean Truck Check testers in Humboldt County

Eri Marroquin is one of 20 testing businesses in Humboldt County on CARB's public tester list. 16 of them offer mobile testing and 13 do smoke opacity tests. In Fortuna itself there are 7 listed businesses, 6 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 Eri Marroquin offer mobile Clean Truck Check testing?

Yes. Eri Marroquin 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 Eri Marroquin test a 2012 or older diesel truck?

Eri Marroquin does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Johns' Group LLC](https://ctcfinder.com/tester/johns-group-llc-fortuna/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Eri Marroquin charge for a Clean Truck Check?

Eri Marroquin has not published prices with us; call (714) 380-2971 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 Eri Marroquin a CARB-credentialed tester?

Eri Marroquin 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

- **[Austin Will](https://ctcfinder.com/tester/austin-will-fortuna/)** — Fortuna, CA 95540 — (707) 768-3781 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Cody clean truck test](https://ctcfinder.com/tester/cody-clean-truck-test-fortuna/)** — 354 11th St, Fortuna, CA 95540 — (707) 617-8618 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[JACKSONS Mobile Welding and Equipment Repair](https://ctcfinder.com/tester/jacksons-mobile-welding-and-equipment-repair-fortuna/)** — 207 Rebecca Ln, Fortuna, CA 95540 — (707) 499-0877 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Johns' Group LLC](https://ctcfinder.com/tester/johns-group-llc-fortuna/)** — 3651 Rohnerville Rd, Fortuna, CA 95540 — (707) 725-3898 — 1 mi. Services: OBD testing, smoke opacity (non-OBD) testing.
- **[Peterson tractor](https://ctcfinder.com/tester/peterson-tractor-fortuna/)** — Fortuna, CA 95540 — (530) 560-9708 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Peterson Tractor CO](https://ctcfinder.com/tester/peterson-tractor-co-fortuna/)** — 1700 Alamar Way, Fortuna, CA 95540 — (707) 798-7627 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.