---
title: "Palmer Enterprises Truck & Auto Repair LLC — Clean Truck Check, Grass Valley, CA"
description: "Palmer Enterprises Truck & Auto Repair LLC in Grass Valley, CA is on CARB's Clean Truck Check tester list. Offers OBD testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/palmer-enterprises-truck-and-auto-repair-llc-grass-valley/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Palmer Enterprises Truck & Auto Repair LLC

Clean Truck Check tester in Grass Valley, CA (Nevada 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 | 11352 E Bennett Rd, Grass Valley, CA 95945 |
| County | Nevada County |
| Phone | (530) 272-3439 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Palmer Enterprises Truck & Auto Repair LLC 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 | Not listed |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Quentin Turek in Colfax, about 8 miles away. [See listing](https://ctcfinder.com/tester/quentin-turek-colfax/).

If you need a tester at your yard, the nearest listed tester that offers mobile testing is Cody's Clean Truck Check in Grass Valley, about 1 mile away. [See listing](https://ctcfinder.com/tester/codys-clean-truck-check-grass-valley/).

## Clean Truck Check testers in Nevada County

Palmer Enterprises Truck & Auto Repair LLC is one of 8 testing businesses in Nevada County on CARB's public tester list. 5 of them offer mobile testing and 5 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 Palmer Enterprises Truck & Auto Repair LLC offer mobile Clean Truck Check testing?

Not according to CARB's tester list; plan to bring the truck to the tester. The nearest listed mobile tester is [Cody's Clean Truck Check](https://ctcfinder.com/tester/codys-clean-truck-check-grass-valley/) (about 1 mile).

### Can Palmer Enterprises Truck & Auto Repair LLC test a 2012 or older diesel truck?

Palmer Enterprises Truck & Auto Repair LLC does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Quentin Turek](https://ctcfinder.com/tester/quentin-turek-colfax/) (about 8 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Palmer Enterprises Truck & Auto Repair LLC charge for a Clean Truck Check?

Palmer Enterprises Truck & Auto Repair LLC has not published prices with us; call (530) 272-3439 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 Palmer Enterprises Truck & Auto Repair LLC a CARB-credentialed tester?

Palmer Enterprises Truck & Auto Repair LLC 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

- **[Cody's Clean Truck Check](https://ctcfinder.com/tester/codys-clean-truck-check-grass-valley/)** — 780 Whispering Pines Ln, Grass Valley, CA 95945 — (530) 277-5833 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[North State Mobile Solutions](https://ctcfinder.com/tester/north-state-mobile-solutions-colfax/)** — 1 N Main St, Colfax, CA 95713 — (916) 345-4847 — 8 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[NorthState Mobile Smoke Testing](https://ctcfinder.com/tester/northstate-mobile-smoke-testing-colfax/)** — 1125 Dallimore Rd, Colfax, CA 95713 — (916) 628-9061 — 8 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Quentin Turek](https://ctcfinder.com/tester/quentin-turek-colfax/)** — Colfax, CA 95713 — (916) 472-4130 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[JTS truck and equipment repair inc](https://ctcfinder.com/tester/jts-truck-and-equipment-repair-inc-rough-and-ready/)** — 17268 Cattle Dr, Rough and Ready, CA 95975 — (530) 615-1219 — 10 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Williams Heavy Equipment](https://ctcfinder.com/tester/williams-heavy-equipment-auburn/)** — 10556 Combie Rd #6437, Auburn, CA 95949 — (530) 913-6597 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.