---
title: "Steven Ingram — Clean Truck Check, Oakdale, CA | CTC Finder"
description: "Steven Ingram in Oakdale, 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/steven-ingram-oakdale/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Steven Ingram

Clean Truck Check tester in Oakdale, CA (Stanislaus 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 | Oakdale, CA 95361 |
| County | Stanislaus County |
| Phone | (209) 612-9844 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Steven Ingram 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 Stanislaus County

Steven Ingram is one of 53 testing businesses in Stanislaus County on CARB's public tester list. 47 of them offer mobile testing and 22 do smoke opacity tests. In Oakdale itself there are 5 listed businesses, 5 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 Steven Ingram offer mobile Clean Truck Check testing?

Yes. Steven Ingram 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 Steven Ingram test a 2012 or older diesel truck?

Yes. Steven Ingram 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 Steven Ingram charge for a Clean Truck Check?

Steven Ingram has not published prices with us; call (209) 612-9844 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 Steven Ingram a CARB-credentialed tester?

Steven Ingram 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

- **[Chris Horton](https://ctcfinder.com/tester/chris-horton-oakdale/)** — Oakdale, CA 95361 — (510) 697-9505 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[John Pascale](https://ctcfinder.com/tester/john-pascale-oakdale/)** — Oakdale, CA 95361 — (209) 480-4814 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[K7 Group LLC](https://ctcfinder.com/tester/k7-group-llc-oakdale/)** — 7243 Autrey Ct, Oakdale, CA 95361 — (916) 346-6730 — 1 mi. Services: mobile testing, OBD testing.
- **[Monkey's Smog Center](https://ctcfinder.com/tester/monkeys-smog-center-oakdale/)** — 217 W F St, Oakdale, CA 95361 — (209) 595-6293 — 1 mi. Services: mobile testing, OBD testing.
- **[Coast Machine Inc](https://ctcfinder.com/tester/coast-machine-inc-copperopolis/)** — 5615 Chuckwagon Dr, Copperopolis, CA 95228 — (650) 444-4945 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Freedom smog](https://ctcfinder.com/tester/freedom-smog-riverbank/)** — 2660 Patterson Rd, Riverbank, CA 95367 — (209) 622-9156 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.