---
title: "Diesel Pollution Solutions Inc — Clean Truck Check, Escondido, CA"
description: "Diesel Pollution Solutions Inc in Escondido, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD)…"
url: "https://ctcfinder.com/tester/diesel-pollution-solutions-inc-escondido/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Diesel Pollution Solutions Inc

Clean Truck Check tester in Escondido, 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 | 906 Jana Pl, Escondido, CA 92026 |
| County | San Diego County |
| Phone | (760) 407-7285 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Diesel Pollution Solutions Inc 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 San Diego County

Diesel Pollution Solutions Inc 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 Escondido itself there are 13 listed businesses, 12 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 Diesel Pollution Solutions Inc offer mobile Clean Truck Check testing?

Yes. Diesel Pollution Solutions Inc 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 Diesel Pollution Solutions Inc test a 2012 or older diesel truck?

Yes. Diesel Pollution Solutions Inc 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 Diesel Pollution Solutions Inc charge for a Clean Truck Check?

Diesel Pollution Solutions Inc has not published prices with us; call (760) 407-7285 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 Diesel Pollution Solutions Inc a CARB-credentialed tester?

Diesel Pollution Solutions Inc 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

- **[DM Emissions Testing](https://ctcfinder.com/tester/dm-emissions-testing-escondido/)** — Escondido, CA 92026 — (760) 803-8903 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[North County Clean Truck Check](https://ctcfinder.com/tester/north-county-clean-truck-check-escondido/)** — 2243 Bent Tree Place, Escondido, CA 92026 — (760) 805-9356 — 1 mi. Services: mobile testing, OBD testing.
- **[Rudy's Automotive Solutions (Mobile)](https://ctcfinder.com/tester/rudys-automotive-solutions-mobile-escondido/)** — Escondido, CA 92026 — (760) 783-3392 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Hollandia Dairy Inc SMarcos SDE](https://ctcfinder.com/tester/hollandia-dairy-inc-smarcos-sde-san-marcos/)** — 622 East Mission Road, San Marcos, CA 92069 — (562) 644-9251 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[kashif ahmed Official tester](https://ctcfinder.com/tester/kashif-ahmed-official-tester-san-marcos/)** — 1605 W Mission Rd Suite A, San Marcos, CA 92069 — (760) 580-9100 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Rollin Wrenches LLC](https://ctcfinder.com/tester/rollin-wrenches-llc-vista/)** — 1312 Morning Glory Lane, Vista, CA 92084 — (760) 518-4791 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.