---
title: "System Maintenance — Clean Truck Check, Long Beach, CA"
description: "System Maintenance in Long Beach, CA is on CARB's Clean Truck Check tester list. Offers OBD testing, smoke opacity (non-OBD) testing, motorhome testing. Phone…"
url: "https://ctcfinder.com/tester/system-maintenance-long-beach/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# System Maintenance

Clean Truck Check tester in Long Beach, CA (Los Angeles 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 | 1335 East Spring Street, Long Beach, CA 90806 |
| County | Los Angeles County |
| Phone | (310) 629-3050 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks System Maintenance 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 |

If you need a tester at your yard, the nearest listed tester that offers mobile testing is A&G in Long Beach, about 1 mile away. [See listing](https://ctcfinder.com/tester/a-and-g-long-beach/).

## Clean Truck Check testers in Los Angeles County

System Maintenance is one of 516 testing businesses in Los Angeles County on CARB's public tester list. 465 of them offer mobile testing and 190 do smoke opacity tests. In Long Beach itself there are 26 listed businesses, 24 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 System Maintenance 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 [A&G](https://ctcfinder.com/tester/a-and-g-long-beach/) (about 1 mile).

### Can System Maintenance test a 2012 or older diesel truck?

Yes. System Maintenance 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 System Maintenance charge for a Clean Truck Check?

System Maintenance has not published prices with us; call (310) 629-3050 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 System Maintenance a CARB-credentialed tester?

System Maintenance 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

- **[A&G](https://ctcfinder.com/tester/a-and-g-long-beach/)** — 631 E Burnett St #B, Long Beach, CA 90806 — (562) 388-3377 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[LA Smog](https://ctcfinder.com/tester/la-smog-long-beach/)** — 550 E Pacific Coast Hwy, Long Beach, CA 90806 — (562) 674-6873 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Long Beach Smog Pros](https://ctcfinder.com/tester/long-beach-smog-pros-long-beach/)** — 2160 Long Beach Boulevard B, Long Beach, CA 90806 — (562) 787-2225 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Eduardo Monroy](https://ctcfinder.com/tester/eduardo-monroy-signal-hill/)** — Signal Hill, CA 90755 — (424) 373-2744 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Lan Logistics](https://ctcfinder.com/tester/lan-logistics-signal-hill/)** — 2828 Junipero Ave, Signal Hill, CA 90755 — (562) 237-2425 — 1 mi. Services: not listed.
- **[Mark's Mobile Truck Serv., LLC](https://ctcfinder.com/tester/marks-mobile-truck-serv-llc-signal-hill/)** — 3348 Olive Ave, Signal Hill, CA 90755 — (714) 345-5484 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.