---
title: "Rene's Truck Testing Service — Clean Truck Check, Acampo, CA"
description: "Rene's Truck Testing Service in Acampo, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing…"
url: "https://ctcfinder.com/tester/renes-truck-testing-service-acampo/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Rene's Truck Testing Service

Clean Truck Check tester in Acampo, CA (San Joaquin 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 | 24545 N Suttenfield Rd, Acampo, CA 95220 |
| County | San Joaquin County |
| Phone | (510) 882-0730 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Rene's Truck Testing Service 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 Joaquin County

Rene's Truck Testing Service is one of 124 testing businesses in San Joaquin County on CARB's public tester list. 111 of them offer mobile testing and 53 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 Rene's Truck Testing Service offer mobile Clean Truck Check testing?

Yes. Rene's Truck Testing Service 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 Rene's Truck Testing Service test a 2012 or older diesel truck?

Yes. Rene's Truck Testing Service 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 Rene's Truck Testing Service charge for a Clean Truck Check?

Rene's Truck Testing Service has not published prices with us; call (510) 882-0730 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 Rene's Truck Testing Service a CARB-credentialed tester?

Rene's Truck Testing Service 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

- **[JESUS Lopez](https://ctcfinder.com/tester/jesus-lopez-acampo/)** — Acampo, CA 95220 — (209) 400-3749 — 1 mi. Services: OBD testing, smoke opacity (non-OBD) testing.
- **[AJ's Towing](https://ctcfinder.com/tester/ajs-towing-galt/)** — 10375 Live Oak Ave, Galt, CA 95632 — (916) 222-9889 — 5 mi. Services: mobile testing, motorhome testing.
- **[CARB Mobile Diesel Testing](https://ctcfinder.com/tester/carb-mobile-diesel-testing-galt/)** — 10430 Twin Cities Rd, Galt, CA 95632 — (916) 538-7777 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Galt Smog & Registration](https://ctcfinder.com/tester/galt-smog-and-registration-galt/)** — 515 N Lincoln Way, Galt, CA 95632 — (916) 949-3015 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Gomu Repairs](https://ctcfinder.com/tester/gomu-repairs-galt/)** — Galt, CA 95632 — (209) 331-3462 — 5 mi. Services: mobile testing, OBD testing.
- **[Mary Lou Ferreira](https://ctcfinder.com/tester/mary-lou-ferreira-galt/)** — Galt, CA 95632 — (916) 803-3575 — 5 mi. Services: mobile testing, OBD testing, motorhome testing.