---
title: "Manzur Test Only — Clean Truck Check, El Monte, CA"
description: "Manzur Test Only in El Monte, CA is on CARB's Clean Truck Check tester list. Offers OBD testing, motorhome testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/manzur-test-only-el-monte/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Manzur Test Only

Clean Truck Check tester in El Monte, CA (Los Angeles 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 | 11240 Lower Azusa Rd, El Monte, CA 91731 |
| County | Los Angeles County |
| Phone | (626) 450-5129 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Manzur Test Only 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 | Yes |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is SpeedTrucking Inc in El Monte, about 1 mile away. [See listing](https://ctcfinder.com/tester/speedtrucking-inc-el-monte/).

If you need a tester at your yard, the nearest listed tester that offers mobile testing is Byron Marroquin in El Monte, about 1 mile away. [See listing](https://ctcfinder.com/tester/byron-marroquin-el-monte/).

## Clean Truck Check testers in Los Angeles County

Manzur Test Only is one of 516 testing businesses in Los Angeles County on CARB's public tester list. 465 of them offer mobile testing and 190 do smoke opacity tests. In El Monte itself there are 11 listed businesses, 7 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 Manzur Test Only 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 [Byron Marroquin](https://ctcfinder.com/tester/byron-marroquin-el-monte/) (about 1 mile).

### Can Manzur Test Only test a 2012 or older diesel truck?

Manzur Test Only does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [SpeedTrucking Inc](https://ctcfinder.com/tester/speedtrucking-inc-el-monte/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Manzur Test Only charge for a Clean Truck Check?

Manzur Test Only has not published prices with us; call (626) 450-5129 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 Manzur Test Only a CARB-credentialed tester?

Manzur Test Only 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

- **[Byron Marroquin](https://ctcfinder.com/tester/byron-marroquin-el-monte/)** — El Monte, CA 91731 — (626) 378-0342 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Jason Diesel Quick Test](https://ctcfinder.com/tester/jason-diesel-quick-test-el-monte/)** — El Monte, CA 91731 — (626) 780-9519 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Sam Smog](https://ctcfinder.com/tester/sam-smog-el-monte/)** — 11027 lower azusa rd d, El Monte, CA 91731 — (626) 377-6252 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[SpeedTrucking Inc](https://ctcfinder.com/tester/speedtrucking-inc-el-monte/)** — 3641 Rockwell Avenue, El Monte, CA 91731 — (626) 852-3356 — 1 mi. Services: OBD testing, smoke opacity (non-OBD) testing.
- **[Alex Yu](https://ctcfinder.com/tester/alex-yu-el-monte/)** — El Monte, CA 91732 — (562) 307-4661 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Arturo Basurto](https://ctcfinder.com/tester/arturo-basurto-el-monte/)** — El Monte, CA 91732 — (626) 274-1065 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
