---
title: "EZE Testing Services — Clean Truck Check, Cool, CA"
description: "EZE Testing Services in Cool, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/eze-testing-services-cool/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# EZE Testing Services

Clean Truck Check tester in Cool, CA (El Dorado 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 | 4209 Cherry Acres Cir, Cool, CA 95614 |
| County | El Dorado County |
| Phone | (530) 350-0467 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks EZE Testing 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 | Yes |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is CAP City Diesel Inspections in Auburn, about 6 miles away. [See listing](https://ctcfinder.com/tester/cap-city-diesel-inspections-auburn/).

## Clean Truck Check testers in El Dorado County

EZE Testing Services is one of 16 testing businesses in El Dorado County on CARB's public tester list. 16 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 EZE Testing Services offer mobile Clean Truck Check testing?

Yes. EZE Testing 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 EZE Testing Services test a 2012 or older diesel truck?

EZE Testing Services does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [CAP City Diesel Inspections](https://ctcfinder.com/tester/cap-city-diesel-inspections-auburn/) (about 6 miles). Trucks from 2013 on get an OBD scan instead.

### How much does EZE Testing Services charge for a Clean Truck Check?

EZE Testing Services has not published prices with us; call (530) 350-0467 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 EZE Testing Services a CARB-credentialed tester?

EZE Testing 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

- **[CAP City Diesel Inspections](https://ctcfinder.com/tester/cap-city-diesel-inspections-auburn/)** — 2945 Bell Rd, Auburn, CA 95603 — (916) 538-7777 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[CARB Compliant Mobile Testing](https://ctcfinder.com/tester/carb-compliant-mobile-testing-auburn/)** — 11590 Stonebrook Dr, Auburn, CA 95603 — (916) 572-4917 — 6 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Juan Renderos](https://ctcfinder.com/tester/juan-renderos-auburn/)** — Auburn, CA 95603 — (949) 547-2585 — 6 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Lightfoot Mobile Truck Emissions](https://ctcfinder.com/tester/lightfoot-mobile-truck-emissions-auburn/)** — 12345 Hyde Park Ln, Auburn, CA 95603 — (916) 849-0426 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Sierra Diesel](https://ctcfinder.com/tester/sierra-diesel-garden-valley/)** — 5566 Rainier Dr, Garden Valley, CA 95633 — (530) 392-0913 — 9 mi. Services: mobile testing, OBD testing.
- **[Allen l Chitty](https://ctcfinder.com/tester/allen-l-chitty-auburn/)** — Auburn, CA 95602 — (916) 225-0454 — 10 mi. Services: mobile testing, OBD testing, motorhome testing.