---
title: "GM Smoke Test Solutions — Clean Truck Check, Seeley, CA"
description: "GM Smoke Test Solutions in Seeley, 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/gm-smoke-test-solutions-seeley/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# GM Smoke Test Solutions

Clean Truck Check tester in Seeley, CA (Imperial 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 | 1703 El Centro St 514, Seeley, CA 92273 |
| County | Imperial County |
| Phone | (760) 675-9323 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks GM Smoke Test Solutions 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 Valley Clean Emissions in Imperial, about 5 miles away. [See listing](https://ctcfinder.com/tester/valley-clean-emissions-imperial/).

## Clean Truck Check testers in Imperial County

GM Smoke Test Solutions is one of 15 testing businesses in Imperial County on CARB's public tester list. 14 of them offer mobile testing and 7 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 GM Smoke Test Solutions offer mobile Clean Truck Check testing?

Yes. GM Smoke Test Solutions 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 GM Smoke Test Solutions test a 2012 or older diesel truck?

GM Smoke Test Solutions does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Valley Clean Emissions](https://ctcfinder.com/tester/valley-clean-emissions-imperial/) (about 5 miles). Trucks from 2013 on get an OBD scan instead.

### How much does GM Smoke Test Solutions charge for a Clean Truck Check?

GM Smoke Test Solutions has not published prices with us; call (760) 675-9323 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 GM Smoke Test Solutions a CARB-credentialed tester?

GM Smoke Test Solutions 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

- **[Alejandro Hernandez](https://ctcfinder.com/tester/alejandro-hernandez-imperial/)** — Imperial, CA 92251 — (760) 222-6604 — 5 mi. Services: mobile testing, OBD testing.
- **[Valley Clean Emissions](https://ctcfinder.com/tester/valley-clean-emissions-imperial/)** — 620 Quartz St, Imperial, CA 92251 — (760) 554-3929 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Valley Clean Emissions Co](https://ctcfinder.com/tester/valley-clean-emissions-co-imperial/)** — 620 Quartz St, Imperial, CA 92251 — (619) 227-8382 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[American Diesel Repair](https://ctcfinder.com/tester/american-diesel-repair-el-centro/)** — 702 E Ross Ave, El Centro, CA 92243 — (760) 540-2006 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Anaya Mobile Road Service](https://ctcfinder.com/tester/anaya-mobile-road-service-el-centro/)** — 398 N Earls St, El Centro, CA 92243 — (442) 866-9338 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[El Centro Towing Inc](https://ctcfinder.com/tester/el-centro-towing-inc-el-centro/)** — El Centro, CA 92243 — (442) 200-8719 — 6 mi. Services: mobile testing, OBD testing, motorhome testing.