---
title: "BIT Pros Fire Services — Clean Truck Check, Escondido, CA"
description: "BIT Pros Fire Services in Escondido, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing…"
url: "https://ctcfinder.com/tester/bit-pros-fire-services-escondido/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# BIT Pros Fire Services

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 | 670 Opper St, Escondido, CA 92029 |
| County | San Diego County |
| Phone | (760) 839-2641 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks BIT Pros Fire Services 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

BIT Pros Fire Services 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 BIT Pros Fire Services offer mobile Clean Truck Check testing?

Yes. BIT Pros Fire Services 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 BIT Pros Fire Services test a 2012 or older diesel truck?

Yes. BIT Pros Fire Services 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 BIT Pros Fire Services charge for a Clean Truck Check?

BIT Pros Fire Services has not published prices with us; call (760) 839-2641 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 BIT Pros Fire Services a CARB-credentialed tester?

BIT Pros Fire Services 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

- **[G&R Auto & Truck Repair](https://ctcfinder.com/tester/g-and-r-auto-and-truck-repair-escondido/)** — 1335 Simpson Way, Escondido, CA 92029 — (760) 644-3614 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[L-Care Corp.](https://ctcfinder.com/tester/l-care-corp-escondido/)** — 2235 Barham Dr, Escondido, CA 92029 — (619) 985-3909 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Carrillo Equipment Repair](https://ctcfinder.com/tester/carrillo-equipment-repair-san-marcos/)** — 3480 Linda Vista Dr, San Marcos, CA 92078 — (760) 685-1392 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Thomas Brouillette](https://ctcfinder.com/tester/thomas-brouillette-san-marcos/)** — San Marcos, CA 92078 — (760) 407-7906 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Sean Thomas](https://ctcfinder.com/tester/sean-thomas-escondido/)** — Escondido, CA 92025 — (619) 372-3893 — 5 mi. Services: 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 — 7 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.