---
title: "Am Pac Repair — Clean Truck Check, San Luis Obispo, CA"
description: "Am Pac Repair in San Luis Obispo, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome…"
url: "https://ctcfinder.com/tester/am-pac-repair-san-luis-obispo/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Am Pac Repair

Clean Truck Check tester in San Luis Obispo, CA (San Luis Obispo 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 | 4149 Santa Fe Rd Suite 8, San Luis Obispo, CA 93401 |
| County | San Luis Obispo County |
| Phone | (805) 459-4724 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Am Pac 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 | Yes |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |

## Clean Truck Check testers in San Luis Obispo County

Am Pac Repair is one of 25 testing businesses in San Luis Obispo County on CARB's public tester list. 22 of them offer mobile testing and 9 do smoke opacity tests. In San Luis Obispo 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 Am Pac Repair offer mobile Clean Truck Check testing?

Yes. Am Pac 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 Am Pac Repair test a 2012 or older diesel truck?

Yes. Am Pac Repair 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 Am Pac Repair charge for a Clean Truck Check?

Am Pac Repair has not published prices with us; call (805) 459-4724 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 Am Pac Repair a CARB-credentialed tester?

Am Pac 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

- **[Bunyon Bros Tree Service](https://ctcfinder.com/tester/bunyon-bros-tree-service-san-luis-obispo/)** — 5345 Davenport Creek Rd, San Luis Obispo, CA 93401 — (805) 503-8838 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Central Coast Fleet Compliance](https://ctcfinder.com/tester/central-coast-fleet-compliance-san-luis-obispo/)** — 3940 Broad St Ste 7-177, San Luis Obispo, CA 93401 — (805) 222-6869 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[SLO Smog](https://ctcfinder.com/tester/slo-smog-san-luis-obispo/)** — 233 Granada Dr Suite C, San Luis Obispo, CA 93401 — (805) 858-0741 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Miller's 76](https://ctcfinder.com/tester/millers-76-pismo-beach/)** — 542 Five Cities Dr, Pismo Beach, CA 93449 — (805) 773-5727 — 6 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Eduardo Garibay](https://ctcfinder.com/tester/eduardo-garibay-arroyo-grande/)** — Arroyo Grande, CA 93420 — (805) 723-4318 — 9 mi. Services: mobile testing, OBD testing.
- **[Beach Front Auto & Smog](https://ctcfinder.com/tester/beach-front-auto-and-smog-oceano/)** — 1210 Pike Ln, Oceano, CA 93445 — (805) 878-2620 — 13 mi. Services: OBD testing, motorhome testing.