---
title: "Capital City Diesel Inspection — Clean Truck Check, Rancho Cordova, CA"
description: "Capital City Diesel Inspection in Rancho Cordova, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD)…"
url: "https://ctcfinder.com/tester/capital-city-diesel-inspection-rancho-cordova/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Capital City Diesel Inspection

Clean Truck Check tester in Rancho Cordova, CA (Sacramento 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 | 2337 Rudat Cir, Rancho Cordova, CA 95670 |
| County | Sacramento County |
| Phone | (916) 538-7777 |
| Website | carbdieseltest.com |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Capital City Diesel Inspection 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 Sacramento County

Capital City Diesel Inspection is one of 131 testing businesses in Sacramento County on CARB's public tester list. 118 of them offer mobile testing and 71 do smoke opacity tests. In Rancho Cordova 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 Capital City Diesel Inspection offer mobile Clean Truck Check testing?

Yes. Capital City Diesel Inspection 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 Capital City Diesel Inspection test a 2012 or older diesel truck?

Yes. Capital City Diesel Inspection 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 Capital City Diesel Inspection charge for a Clean Truck Check?

Capital City Diesel Inspection has not published prices with us; call (916) 538-7777 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 Capital City Diesel Inspection a CARB-credentialed tester?

Capital City Diesel Inspection 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

- **[Beta Smog & Tune](https://ctcfinder.com/tester/beta-smog-and-tune-gold-river/)** — 11257 Coloma Rd, Gold River, CA 95670 — (916) 852-1311 — 1 mi. Services: OBD testing.
- **[All Vehicle Registration Services](https://ctcfinder.com/tester/all-vehicle-registration-services-rancho-cordova/)** — 11121 Sun Center Dr Suite G, Rancho Cordova, CA 95670 — (916) 541-6275 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[DLZ Transportation INC](https://ctcfinder.com/tester/dlz-transportation-inc-rancho-cordova/)** — 1908 Kellogg Way, Rancho Cordova, CA 95670 — (916) 203-7289 — 1 mi. Services: mobile testing, OBD testing.
- **[Jesse Sherwood](https://ctcfinder.com/tester/jesse-sherwood-carmichael/)** — Carmichael, CA 95608 — (530) 333-5234 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Capital City Diesel INSP](https://ctcfinder.com/tester/capital-city-diesel-insp-carmicheal/)** — Carmicheal, CA 95608 — (916) 538-7777 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Mobile Compliance Testing](https://ctcfinder.com/tester/mobile-compliance-testing-fair-oaks/)** — Fair Oaks, CA 95628 — (916) 538-7777 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.