---
title: "Gerardo Garcia Moreno — Clean Truck Check, Dos Palos, CA"
description: "Gerardo Garcia Moreno in Dos Palos, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and…"
url: "https://ctcfinder.com/tester/gerardo-garcia-moreno-dos-palos/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Gerardo Garcia Moreno

Clean Truck Check tester in Dos Palos, CA (Merced 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 | Dos Palos, CA 93620 |
| County | Merced County |
| Phone | (209) 201-5036 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Gerardo Garcia Moreno 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 Ricks Automotive Service in Dos Palos, about 1 mile away. [See listing](https://ctcfinder.com/tester/ricks-automotive-service-dos-palos/).

## Clean Truck Check testers in Merced County

Gerardo Garcia Moreno is one of 40 testing businesses in Merced County on CARB's public tester list. 35 of them offer mobile testing and 12 do smoke opacity tests. In Dos Palos itself there are 4 listed businesses, 2 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 Gerardo Garcia Moreno offer mobile Clean Truck Check testing?

Yes. Gerardo Garcia Moreno 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 Gerardo Garcia Moreno test a 2012 or older diesel truck?

Gerardo Garcia Moreno does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Ricks Automotive Service](https://ctcfinder.com/tester/ricks-automotive-service-dos-palos/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Gerardo Garcia Moreno charge for a Clean Truck Check?

Gerardo Garcia Moreno has not published prices with us; call (209) 201-5036 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 Gerardo Garcia Moreno a CARB-credentialed tester?

Gerardo Garcia Moreno 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

- **[NS Tractor Dos Palos](https://ctcfinder.com/tester/ns-tractor-dos-palos-dos-palos/)** — Dos Palos, CA 93620 — (209) 631-3646 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Ricks Automotive Service](https://ctcfinder.com/tester/ricks-automotive-service-dos-palos/)** — 16237 Folsom Ave, Dos Palos, CA 93620 — (209) 829-2729 — 1 mi. Services: OBD testing, smoke opacity (non-OBD) testing.
- **[TS Truck and Trailer Repair Inc.](https://ctcfinder.com/tester/ts-truck-and-trailer-repair-inc-dos-palos/)** — 7860 Azusa Ave, Dos Palos, CA 93620 — (209) 509-9861 — 1 mi. Services: OBD testing.
- **[Angel Solache](https://ctcfinder.com/tester/angel-solache-los-banos/)** — Los Banos, CA 93635 — (831) 537-4291 — 14 mi. Services: not listed.
- **[Docs Towing Service](https://ctcfinder.com/tester/docs-towing-service-los-banos/)** — 2710 E Pacheco Blvd, Los Banos, CA 93635 — (209) 619-9717 — 14 mi. Services: mobile testing, OBD testing.
- **[Isaiah Chavez](https://ctcfinder.com/tester/isaiah-chavez-los-banos/)** — Los Banos, CA 93635 — (209) 270-2690 — 14 mi. Services: mobile testing.