---
title: "Rodriguez Smog — Clean Truck Check, Planada, CA | CTC Finder"
description: "Rodriguez Smog in Planada, 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/rodriguez-smog-planada/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Rodriguez Smog

Clean Truck Check tester in Planada, 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 | 9075 State Highway 140, Planada, CA 95365 |
| County | Merced County |
| Phone | (209) 410-8544 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Rodriguez Smog 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 Jnava Mobile Opacity Inspections in Merced, about 5 miles away. [See listing](https://ctcfinder.com/tester/jnava-mobile-opacity-inspections-merced/).

## Clean Truck Check testers in Merced County

Rodriguez Smog 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.

## 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 Rodriguez Smog offer mobile Clean Truck Check testing?

Yes. Rodriguez Smog 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 Rodriguez Smog test a 2012 or older diesel truck?

Rodriguez Smog does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Jnava Mobile Opacity Inspections](https://ctcfinder.com/tester/jnava-mobile-opacity-inspections-merced/) (about 5 miles). Trucks from 2013 on get an OBD scan instead.

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

Rodriguez Smog has not published prices with us; call (209) 410-8544 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 Rodriguez Smog a CARB-credentialed tester?

Rodriguez Smog 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

- **[Jnava Mobile Opacity Inspections](https://ctcfinder.com/tester/jnava-mobile-opacity-inspections-merced/)** — 35 W Main St, Merced, CA 95340 — (209) 226-2566 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Smith truck repair](https://ctcfinder.com/tester/smith-truck-repair-merced/)** — 15 W 15th St, Merced, CA 95340 — (209) 635-7917 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[VZ2](https://ctcfinder.com/tester/vz2-merced/)** — 3061 Marie Ct, Merced, CA 95340 — (209) 765-8438 — 5 mi. Services: mobile testing, OBD testing.
- **[Alden Hansard](https://ctcfinder.com/tester/alden-hansard-merced/)** — Merced, CA 95341 — (209) 777-3842 — 11 mi. Services: mobile testing, OBD testing.
- **[Best Electric](https://ctcfinder.com/tester/best-electric-merced/)** — 2160 Wardrobe Ave, Merced, CA 95341 — (209) 600-5568 — 11 mi. Services: mobile testing, OBD testing.
- **[David Biorato](https://ctcfinder.com/tester/david-biorato-merced/)** — Merced, CA 95341 — (350) 204-9765 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.