---
title: "Idaho Heavy Duty Services — Clean Truck Check, Nampa, ID"
description: "Idaho Heavy Duty Services in Nampa, ID is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/idaho-heavy-duty-services-nampa-id/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Idaho Heavy Duty Services

Clean Truck Check tester in Nampa, ID.

> 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 | 11043 Moss Ln, Nampa, ID 83651 |
| Phone | (208) 899-3408 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Idaho Heavy Duty Services 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 Airlimits in Boise, about 20 miles away. [See listing](https://ctcfinder.com/tester/airlimits-boise-id/).

## Clean Truck Check testers in Idaho

Idaho Heavy Duty Services is one of 13 testing businesses in Idaho on CARB's public tester list. 8 of them offer mobile testing and 1 do smoke opacity tests.

## 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 Idaho Heavy Duty Services offer mobile Clean Truck Check testing?

Yes. Idaho Heavy Duty Services 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 Idaho Heavy Duty Services test a 2012 or older diesel truck?

Idaho Heavy Duty Services does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Airlimits](https://ctcfinder.com/tester/airlimits-boise-id/) (about 20 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Idaho Heavy Duty Services charge for a Clean Truck Check?

Idaho Heavy Duty Services has not published prices with us; call (208) 899-3408 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 Idaho Heavy Duty Services a CARB-credentialed tester?

Idaho Heavy Duty Services 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

- **[Sebastin Munoz](https://ctcfinder.com/tester/sebastin-munoz-nampa-id/)** — Nampa, ID 83687 — (208) 921-2809 — 5 mi. Services: OBD testing.
- **[Keileigh Hayes](https://ctcfinder.com/tester/keileigh-hayes-caldwell-id/)** — Caldwell, ID 83605 — (986) 201-6341 — 6 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Robert Watkins](https://ctcfinder.com/tester/robert-watkins-meridian-id/)** — Meridian, ID 83646 — (702) 232-1983 — 11 mi. Services: mobile testing, OBD testing.
- **[CARB Testing llc](https://ctcfinder.com/tester/carb-testing-llc-kuna-id/)** — 689 E Access St, Kuna, ID 83634 — (208) 789-3216 — 18 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Larrys Performance & Services](https://ctcfinder.com/tester/larrys-performance-and-services-kuna-id/)** — 985 W Gold St, Kuna, ID 83634 — (208) 495-5366 — 18 mi. Services: mobile testing, OBD testing.
- **[Big Rig CARB Testing Services](https://ctcfinder.com/tester/big-rig-carb-testing-services-garden-city-id/)** — 300 E 40th St, Garden City, ID 83714 — (208) 860-6841 — 19 mi. Services: mobile testing, OBD testing, motorhome testing.