Als Front Range Diesel Emissions

Car inspection station
Opens at 8:00 AM
4.8 (81 reviews)
1115 Bowen Cir, Longmont, CO 80501

About

Als Front Range Diesel Emissions is a provider of emissions testing services in Longmont, Colorado. They offer emissions testing, vehicle inspections, OBD-II diagnostics, and check engine light diagnosis to help vehicle owners meet safety and environmental standards. Their focus is on emissions-related repairs such as catalytic converter and exhaust system services, ensuring vehicles pass required inspections. Located in Longmont, Colorado, this business primarily serves environmental compliance and vehicle emission needs within the community. They operate during weekday hours from 8am to 2:30pm and are dedicated to thorough testing and diagnostics related to vehicle emissions, not general auto repairs.

emissions testing vehicle inspection OBD testing Longmont Colorado emissions

Services Offered

emissions testing
Vehicle Inspection
OBD-II Diagnostics
Check Engine Light Diagnosis
Emissions-related repairs

What Customers Say

Review Summary

This location hasn't received online reviews yet. Services include smog testing, OBD-II diagnostics, and emissions repairs. Contact them for appointment details and pricing information.

Hours Closed
Mon 8 am–2:30 pm
Tue 8 am–2:30 pm
Wed 8 am–2:30 pm
Thu 8 am–2:30 pm
Fri Closed
Sat Closed
Sun Closed

Frequently Asked Questions

Discover quick and comprehensive answers to common questions about our platform, listings, and services.

Als Front Range Diesel Emissions is located at 1115 Bowen Cir, Longmont, Colorado. You can find their facility in Longmont for emissions testing services.
They offer emissions testing, vehicle inspection, OBD-II diagnostics, check engine light diagnosis, and emissions-related repairs.
Yes, Als Front Range Diesel Emissions provides emissions testing and smog checks in Longmont, Colorado. They specialize in vehicle emissions testing.
Their operating hours are Monday through Thursday from 8am to 2:30pm, and they are closed on Fridays, Saturdays, and Sundays.
You can contact Als Front Range Diesel Emissions by phone at +1 303-776-6469 for more information about services and appointments.
It is recommended to contact them in advance to confirm if an appointment is needed during their operating hours.
Service times vary, but testing and diagnostics generally take about 30 to 60 minutes depending on the service and vehicle condition.
Customers rate Als Front Range Diesel Emissions highly with a 4.8-star average based on 81 reviews. Drivers often mention quick service and professional staff. For the latest feedback, check recent reviews on Google or other review platforms.

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Making the Most of Your Visit to Als Front Range Diesel Emissions

Choosing the right emissions testing or smog check station in Longmont, Colorado can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. Als Front Range Diesel Emissions is one of the licensed smog check locations in the area, and preparing properly before your visit can make the process smoother.

Understanding Colorado Smog Check Requirements

Emissions testing and smog check rules in Colorado vary by vehicle type, registration ZIP code, and model year. Since requirements can differ even within Longmont, confirm what applies to you before heading to Als Front Range Diesel Emissions. Our Colorado emissions testing guide outlines current 2025 rules, exemptions, and testing intervals.

Before Your Smog Check

To help make your emissions test quick and successful, consider preparing the following:

  • Confirm your registration address requires testing.
  • Ensure your check engine light is off and no recent codes have been cleared.
  • Warm up your vehicle by driving 10 to 15 minutes before testing.
  • Bring your registration or renewal notice and a valid photo ID.

Why Reviews Matter

Customer experiences can vary, so reading feedback from other drivers can help you understand what to expect. Als Front Range Diesel Emissions currently has 81 reviews, which can provide insights into service quality, wait times, and professionalism.

"Clear communication and preparation make your smog check easier. Ask Als Front Range Diesel Emissions about wait times, retest policies, or emissions repair services if you have concerns."

Visit Checklist

  • 1
    Verify Certification

    Ensure Als Front Range Diesel Emissions is an active, licensed smog check station in Colorado.

  • 2
    Check Reviews

    Read recent customer feedback from other Longmont drivers to understand typical wait times and service quality.

  • 3
    Confirm Services

    Call ahead to confirm the types of smog checks and emissions tests offered and whether appointments are required.

  • 4
    Bring Required Documents

    Have your registration or renewal notice, ID, and any required paperwork ready when visiting the station.

  • 5
    Ask About Retest Policies

    Some stations offer discounted or free retests if your vehicle fails. Ask for details up front.

* This guide is for informational purposes only. Always confirm emissions testing requirements and smog check policies with your local Colorado authorities.