---
title: "In & Out Truck Repair Company — Clean Truck Check, Barstow, CA"
description: "In & Out Truck Repair Company in Barstow, CA is on CARB's Clean Truck Check tester list with 2 credentialed testers. Offers mobile testing, OBD testing. Phone…"
url: "https://ctcfinder.com/tester/in-and-out-truck-repair-company-barstow/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# In & Out Truck Repair Company

Clean Truck Check tester in Barstow, CA (San Bernardino 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 | 2441 W Main St, Barstow, CA 92311 |
| County | San Bernardino County |
| Phone | (760) 577-9544 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 2 |
| Last verified | 2026-11-01 |

## Which trucks In & Out Truck Repair Company 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 American Towing & Recovery Inc in Barstow, about 1 mile away. [See listing](https://ctcfinder.com/tester/american-towing-and-recovery-inc-barstow/).

## Clean Truck Check testers in San Bernardino County

In & Out Truck Repair Company is one of 277 testing businesses in San Bernardino County on CARB's public tester list. 243 of them offer mobile testing and 98 do smoke opacity tests. In Barstow 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 In & Out Truck Repair Company offer mobile Clean Truck Check testing?

Yes. In & Out Truck Repair Company 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 In & Out Truck Repair Company test a 2012 or older diesel truck?

In & Out Truck Repair Company does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [American Towing & Recovery Inc](https://ctcfinder.com/tester/american-towing-and-recovery-inc-barstow/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does In & Out Truck Repair Company charge for a Clean Truck Check?

In & Out Truck Repair Company has not published prices with us; call (760) 577-9544 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 In & Out Truck Repair Company a CARB-credentialed tester?

In & Out Truck Repair Company appears on CARB's public Clean Truck Check tester list with 2 credentialed testers, 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

- **[American Towing & Recovery Inc](https://ctcfinder.com/tester/american-towing-and-recovery-inc-barstow/)** — 2520 E Main St, Barstow, CA 92311 — (760) 256-5200 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[TRX Concepts](https://ctcfinder.com/tester/trx-concepts-barstow/)** — Barstow, CA 92311 — (682) 363-0026 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[ZippyLube](https://ctcfinder.com/tester/zippylube-barstow/)** — 2960 Lenwood Rd, Barstow, CA 92311 — (949) 412-5059 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.