---
title: "Auto Mall Smog Test & Repair — Clean Truck Check, Fremont, CA"
description: "Auto Mall Smog Test & Repair in Fremont, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/auto-mall-smog-test-and-repair-fremont/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Auto Mall Smog Test & Repair

Clean Truck Check tester in Fremont, CA (Alameda 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 | 43026 Christy St, Fremont, CA 94538 |
| County | Alameda County |
| Phone | (510) 493-1865 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Auto Mall Smog Test & Repair 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 Aman Smog in Newark, about 4 miles away. [See listing](https://ctcfinder.com/tester/aman-smog-newark/).

## Clean Truck Check testers in Alameda County

Auto Mall Smog Test & Repair is one of 85 testing businesses in Alameda County on CARB's public tester list. 79 of them offer mobile testing and 37 do smoke opacity tests. In Fremont itself there are 12 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 Auto Mall Smog Test & Repair offer mobile Clean Truck Check testing?

Yes. Auto Mall Smog Test & Repair 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 Auto Mall Smog Test & Repair test a 2012 or older diesel truck?

Auto Mall Smog Test & Repair does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Aman Smog](https://ctcfinder.com/tester/aman-smog-newark/) (about 4 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Auto Mall Smog Test & Repair charge for a Clean Truck Check?

Auto Mall Smog Test & Repair has not published prices with us; call (510) 493-1865 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 Auto Mall Smog Test & Repair a CARB-credentialed tester?

Auto Mall Smog Test & Repair 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

- **[Continental Truck Repair](https://ctcfinder.com/tester/continental-truck-repair-fremont/)** — Fremont, CA 94538 — (510) 709-7512 — 1 mi. Services: mobile testing, OBD testing.
- **[Continental Truck Tire & Trailer Repair](https://ctcfinder.com/tester/continental-truck-tire-and-trailer-repair-fremont/)** — 42400 Boyce Rd, Fremont, CA 94538 — (510) 766-5932 — 1 mi. Services: mobile testing, OBD testing.
- **[Fremont Quick Smog](https://ctcfinder.com/tester/fremont-quick-smog-fremont/)** — 43248 Grimmer Blvd, Fremont, CA 94538 — (510) 270-8555 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[HMSM group inc](https://ctcfinder.com/tester/hmsm-group-inc-fremont/)** — 43560 Bryant St, Fremont, CA 94539 — (831) 578-5663 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Aman Smog](https://ctcfinder.com/tester/aman-smog-newark/)** — 6240 Market Ave, Newark, CA 94560 — (510) 589-8108 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Highway Tires and Truck/Trailer Repair](https://ctcfinder.com/tester/highway-tires-and-truck-trailer-repair-newark/)** — 6711 Central Ave, Newark, CA 94560 — (510) 602-5340 — 4 mi. Services: OBD testing.