---
title: "Cap City Diesel Inspections TRUCK, BUS, RV — Clean Truck Check, El Dorado Hills, CA"
description: "Cap City Diesel Inspections TRUCK, BUS, RV in El Dorado Hills, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity…"
url: "https://ctcfinder.com/tester/cap-city-diesel-inspections-truck-bus-rv-el-dorado-hills/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Cap City Diesel Inspections TRUCK, BUS, RV

Clean Truck Check tester in El Dorado Hills, 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 | 3941 Park Dr Suite 20, El Dorado Hills, CA 95762 |
| County | El Dorado County |
| Phone | (916) 538-7777 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Cap City Diesel Inspections TRUCK, BUS, RV 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 El Dorado County

Cap City Diesel Inspections TRUCK, BUS, RV 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 Cap City Diesel Inspections TRUCK, BUS, RV offer mobile Clean Truck Check testing?

Yes. Cap City Diesel Inspections TRUCK, BUS, RV 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 Cap City Diesel Inspections TRUCK, BUS, RV test a 2012 or older diesel truck?

Yes. Cap City Diesel Inspections TRUCK, BUS, RV 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 Cap City Diesel Inspections TRUCK, BUS, RV charge for a Clean Truck Check?

Cap City Diesel Inspections TRUCK, BUS, RV 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 Cap City Diesel Inspections TRUCK, BUS, RV a CARB-credentialed tester?

Cap City Diesel Inspections TRUCK, BUS, RV 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

- **[Steven Smith](https://ctcfinder.com/tester/steven-smith-el-dorado-hills/)** — El Dorado Hills, CA 95762 — (916) 607-7029 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Bryan Foley](https://ctcfinder.com/tester/bryan-foley-folsom/)** — Folsom, CA 95630 — (916) 316-3009 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Ccatr, LLC.](https://ctcfinder.com/tester/ccatr-llc-folsom/)** — 1015 Riley St 1244, Folsom, CA 95630 — (530) 308-2711 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[CJ's Clean Truck Check](https://ctcfinder.com/tester/cjs-clean-truck-check-folsom/)** — 9580 Oak Avenue Pkwy Ste 7 #648, Folsom, CA 95630 — (916) 850-5904 — 4 mi. Services: mobile testing, OBD testing.
- **[TRUCK,BUS, RVs](https://ctcfinder.com/tester/truck-bus-rvs-folsom/)** — 2300 Iron Point Rd, Folsom, CA 95630 — (916) 538-7777 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[West Coast Mobile Diesel Opacity Testing](https://ctcfinder.com/tester/west-coast-mobile-diesel-opacity-testing-folsom/)** — 161 Gilded Rock Cir, Folsom, CA 95630 — (916) 616-5078 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.