---
title: "Jtd Under Pressure — Clean Truck Check, Dublin, CA"
description: "Jtd Under Pressure in Dublin, 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/jtd-under-pressure-dublin/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Jtd Under Pressure

Clean Truck Check tester in Dublin, CA (Alameda 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 | Dublin, CA 94568 |
| County | Alameda County |
| Phone | (925) 216-5834 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Jtd Under Pressure 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 Alameda County

Jtd Under Pressure is one of 85 testing businesses in Alameda County on CARB's public tester list. 79 of them offer mobile testing and 37 do smoke opacity tests. In Dublin itself there are 4 listed businesses, 4 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 Jtd Under Pressure offer mobile Clean Truck Check testing?

Yes. Jtd Under Pressure 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 Jtd Under Pressure test a 2012 or older diesel truck?

Yes. Jtd Under Pressure 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 Jtd Under Pressure charge for a Clean Truck Check?

Jtd Under Pressure has not published prices with us; call (925) 216-5834 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 Jtd Under Pressure a CARB-credentialed tester?

Jtd Under Pressure 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

- **[Christina Law](https://ctcfinder.com/tester/christina-law-dublin/)** — Dublin, CA 94568 — (415) 638-1873 — 1 mi. Services: mobile testing, OBD testing.
- **[Eric Icay](https://ctcfinder.com/tester/eric-icay-dublin/)** — Dublin, CA 94568 — (925) 765-7327 — 1 mi. Services: mobile testing, OBD testing.
- **[Mobile Golden State Emissions Dublin](https://ctcfinder.com/tester/mobile-golden-state-emissions-dublin-dublin/)** — 5421 Campbell Ln., Dublin, CA 94568 — (925) 818-1831 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Optivia Tech LLC](https://ctcfinder.com/tester/optivia-tech-llc-san-ramon/)** — 1934 Brookcliff Cir, San Ramon, CA 94582 — (415) 727-7227 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Matt's Mobile](https://ctcfinder.com/tester/matts-mobile-pleasanton/)** — Pleasanton, CA 94566 — (925) 895-2123 — 5 mi. Services: mobile testing, OBD testing.
- **[Mikes Mobile Automotive](https://ctcfinder.com/tester/mikes-mobile-automotive-castro-valley/)** — 20706 Tuxedo Ct, Castro Valley, CA 94552 — (510) 502-3925 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.