---
title: "Larry Backstrom — Clean Truck Check, Irvine, CA | CTC Finder"
description: "Larry Backstrom in Irvine, CA is on CARB's Clean Truck Check tester list.  Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/larry-backstrom-irvine/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Larry Backstrom

Clean Truck Check tester in Irvine, CA (Orange 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 | Irvine, CA 92618 |
| County | Orange County |
| Phone | (949) 309-3737 |
| Mobile testing | No |
| OBD testing | No |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Larry Backstrom can test

| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Not listed |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Not listed |
| 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 CARB Compliance Tester in Irvine, about 1 mile away. [See listing](https://ctcfinder.com/tester/carb-compliance-tester-irvine/).

If you need a tester at your yard, the nearest listed tester that offers mobile testing is CARB Compliance Tester in Irvine, about 1 mile away. [See listing](https://ctcfinder.com/tester/carb-compliance-tester-irvine/).

## Clean Truck Check testers in Orange County

Larry Backstrom is one of 159 testing businesses in Orange County on CARB's public tester list. 146 of them offer mobile testing and 84 do smoke opacity tests. In Irvine itself there are 7 listed businesses, 6 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 Larry Backstrom 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 [CARB Compliance Tester](https://ctcfinder.com/tester/carb-compliance-tester-irvine/) (about 1 mile).

### Can Larry Backstrom test a 2012 or older diesel truck?

Larry Backstrom does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [CARB Compliance Tester](https://ctcfinder.com/tester/carb-compliance-tester-irvine/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Larry Backstrom charge for a Clean Truck Check?

Larry Backstrom has not published prices with us; call (949) 309-3737 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 Larry Backstrom a CARB-credentialed tester?

Larry Backstrom 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

- **[CARB Compliance Tester](https://ctcfinder.com/tester/carb-compliance-tester-irvine/)** — Irvine, CA 92618 — (916) 753-6509 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Robert Nickel](https://ctcfinder.com/tester/robert-nickel-irvine/)** — Irvine, CA 92618 — (949) 837-8736 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Angelita Bernal Velasco](https://ctcfinder.com/tester/angelita-bernal-velasco-irvine/)** — Irvine, CA 92619 — (949) 300-6207 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Abdel jalal Lazim](https://ctcfinder.com/tester/abdel-jalal-lazim-irvine/)** — Irvine, CA 92620 — (949) 344-0124 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Acatrucking](https://ctcfinder.com/tester/acatrucking-lake-forest/)** — 22551 Overlake Dr, Lake Forest, CA 92630 — (626) 715-3763 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Elite Automotive Services](https://ctcfinder.com/tester/elite-automotive-services-lake-forest/)** — 26801 Vista Ter, Lake Forest, CA 92630 — (714) 319-5003 — 3 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.