---
title: "Platform Science — Clean Truck Check, San Diego, CA"
description: "Platform Science in San Diego, CA is on CARB's Clean Truck Check tester list. Offers OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/platform-science-san-diego/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Platform Science

Clean Truck Check tester in San Diego, CA (San Diego 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 | San Diego, CA 92121 |
| County | San Diego County |
| Phone | (619) 843-1383 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Platform Science 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 Mcas Miramar in San Diego, about 4 miles away. [See listing](https://ctcfinder.com/tester/mcas-miramar-san-diego/).

If you need a tester at your yard, the nearest listed tester that offers mobile testing is Apex Autohaus, Inc. in San Diego, about 1 mile away. [See listing](https://ctcfinder.com/tester/apex-autohaus-inc-san-diego/).

## Clean Truck Check testers in San Diego County

Platform Science is one of 178 testing businesses in San Diego County on CARB's public tester list. 157 of them offer mobile testing and 91 do smoke opacity tests. In San Diego itself there are 42 listed businesses, 30 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 Platform Science offer mobile Clean Truck Check testing?

Not according to CARB's tester list; plan to bring the truck to the tester. The nearest listed mobile tester is [Apex Autohaus, Inc.](https://ctcfinder.com/tester/apex-autohaus-inc-san-diego/) (about 1 mile).

### Can Platform Science test a 2012 or older diesel truck?

Platform Science does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Mcas Miramar](https://ctcfinder.com/tester/mcas-miramar-san-diego/) (about 4 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Platform Science charge for a Clean Truck Check?

Platform Science has not published prices with us; call (619) 843-1383 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 Platform Science a CARB-credentialed tester?

Platform Science 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

- **[Apex Autohaus, Inc.](https://ctcfinder.com/tester/apex-autohaus-inc-san-diego/)** — 6906 Miramar Rd Suite C, San Diego, CA 92121 — (307) 776-1951 — 1 mi. Services: mobile testing, OBD testing.
- **[Klinton Zeek](https://ctcfinder.com/tester/klinton-zeek-san-diego/)** — San Diego, CA 92121 — (760) 258-6896 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Velocity Truck Center](https://ctcfinder.com/tester/velocity-truck-center-san-diego/)** — 6066 Miramar Road, San Diego, CA 92121 — (619) 247-8140 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Clean Truck Check Mobile of San Diego](https://ctcfinder.com/tester/clean-truck-check-mobile-of-san-diego-san-diego/)** — 9450 Mira Mesa Blvd Suite C 601, San Diego, CA 92126 — (619) 212-1058 — 4 mi. Services: mobile testing, OBD testing.
- **[Mcas Miramar](https://ctcfinder.com/tester/mcas-miramar-san-diego/)** — San Diego, CA 92145 — (858) 349-0115 — 4 mi. Services: OBD testing, smoke opacity (non-OBD) testing.
- **[Strong Mobile Diesel LLC](https://ctcfinder.com/tester/strong-mobile-diesel-llc-san-diego/)** — 5052 Clairemont Drive, San Diego, CA 92117 — (858) 753-4373 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.