---
title: "Timothy Nunez — Clean Truck Check, Campbell, CA | CTC Finder"
description: "Timothy Nunez in Campbell, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome…"
url: "https://ctcfinder.com/tester/timothy-nunez-campbell/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Timothy Nunez

Clean Truck Check tester in Campbell, CA (Santa Clara 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 | Campbell, CA 95008 |
| County | Santa Clara County |
| Phone | (408) 767-8971 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Timothy Nunez 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 Santa Clara County

Timothy Nunez is one of 79 testing businesses in Santa Clara County on CARB's public tester list. 67 of them offer mobile testing and 27 do smoke opacity tests. In Campbell itself there are 3 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 Timothy Nunez offer mobile Clean Truck Check testing?

Yes. Timothy Nunez 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 Timothy Nunez test a 2012 or older diesel truck?

Yes. Timothy Nunez 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 Timothy Nunez charge for a Clean Truck Check?

Timothy Nunez has not published prices with us; call (408) 767-8971 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 Timothy Nunez a CARB-credentialed tester?

Timothy Nunez 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

- **[Andrew Newland](https://ctcfinder.com/tester/andrew-newland-campbell/)** — Campbell, CA 95008 — (408) 691-1746 — 1 mi. Services: OBD testing, motorhome testing.
- **[Salinas Transport LLC Norcal Mobile](https://ctcfinder.com/tester/salinas-transport-llc-norcal-mobile-campbell/)** — 299 E McGlincy Ln Suite B, Campbell, CA 95008 — (831) 498-6447 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Mike Kazemi](https://ctcfinder.com/tester/mike-kazemi-san-jose/)** — San Jose, CA 95124 — (510) 357-2525 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Make it Go Consulting & Services](https://ctcfinder.com/tester/make-it-go-consulting-and-services-san-jose/)** — 2251 Lansford Ave, San Jose, CA 95125 — (415) 816-1471 — 4 mi. Services: mobile testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Pro Cal Truck & Equipment Repair](https://ctcfinder.com/tester/pro-cal-truck-and-equipment-repair-san-jose/)** — 290 San Jose Ave, San Jose, CA 95125 — (408) 998-5818 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[South Bay fast smog](https://ctcfinder.com/tester/south-bay-fast-smog-san-jose/)** — 2306 Almaden Expy, San Jose, CA 95125 — (415) 302-5516 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.