California
Upland

Alonso's Auto Repair In Upland

Auto repair shop
Open · Closes 5:00 PM
4.4 (136 reviews)
1820 W 11th St F, Upland, CA 91786
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About

Alonso's Auto Repair located in Upland, California specializes in emissions testing and smog check services. Their professional team performs thorough inspections to ensure vehicles meet California emissions standards. Customers have praised the shop for their honest and attentive service, as well as fast turnaround times. Whether you need a quick smog check or more detailed diagnostics regarding emissions-related issues, Alonso's provides dependable service. Their focus is on emission testing, vehicle inspections, and repairs to fix emissions problems. Located conveniently in Upland, California, they cater to local residents seeking reliable emissions testing services.

smog check vehicle inspection OBD testing Upland California emissions testing

Services Offered

smog check
Vehicle Inspection
OBD-II Diagnostics
Check Engine Light Diagnosis
Emissions-related repairs
Catalytic Converter Service
Exhaust Repair
O2 Sensor Replacement

What Customers Say

Review Summary

Customers generally find Alonso's Auto Repair to be honest and professional, appreciating their quick service and quality work. Some mention that there may be wait times during peak hours but note that the staff is helpful and informative. Pricing is considered fair given the thoroughness of the inspections. Many reviews highlight their expertise in diagnostics and emissions-related repairs. Overall, clients feel confident in the care their vehicles receive, with comments about good customer service and transparent communication. A few reviews mention service style may vary, but most express satisfaction with their testing and repair experiences.

1820 W 11th St F, Upland, CA 91786 +1 909-946-0543 Visit Website
Hours Open now
Mon 8 am–5 pm
Tue 8 am–5 pm
Wed • 8 am–5 pm
Thu 8 am–5 pm
Fri 8 am–5 pm
Sat Closed
Sun Closed
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Frequently Asked Questions

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

Alonso's Auto Repair In Upland is located at 1820 W 11th St F, Upland, California. They serve residents needing emissions testing and vehicle inspections.
They offer smog check, vehicle inspection, OBD-II diagnostics, check engine light diagnosis, and emissions-related repairs like exhaust and catalytic converter services.
Yes, Alonso's Auto Repair in Upland provides emissions testing and smog checks, helping vehicles meet California standards and pass emissions testing requirements.
Their hours are Monday through Friday from 8 am to 5 pm. The shop is closed on weekends. Call ahead or visit during these hours for emissions testing services.
You can contact Alonso's Auto Repair in Upland by calling +1 909-946-0543 or visiting their website at www.alonsosautorepair.com for more info.
Appointments are recommended but walk-ins are accepted during business hours. It's best to call ahead to ensure availability for smog check services.
Service times vary depending on vehicle condition but typically smog checks and inspections can be completed within 30 to 60 minutes.
Customers say Alonso's Auto Repair in Upland is honest, professional, and helpful. They appreciate their thorough testing and fair pricing for emissions services.

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Making the Most of Your Visit to Alonso's Auto Repair In Upland

Choosing the right emissions testing or smog check station in Upland, California can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. Alonso's Auto Repair In Upland is one of the licensed smog check locations in the area, and preparing properly before your visit can make the process smoother.

Understanding California Smog Check Requirements

Emissions testing and smog check rules in California vary by vehicle type, registration ZIP code, and model year. Since requirements can differ even within Upland, confirm what applies to you before heading to Alonso's Auto Repair In Upland. Our California 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. Alonso's Auto Repair In Upland currently has 136 reviews, which can provide insights into service quality, wait times, and professionalism.

"Clear communication and preparation make your smog check easier. Ask Alonso's Auto Repair In Upland about wait times, retest policies, or emissions repair services if you have concerns."

Visit Checklist

  • 1
    Verify Certification

    Ensure Alonso's Auto Repair In Upland is an active, licensed smog check station in California.

  • 2
    Check Reviews

    Read recent customer feedback from other Upland 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 California authorities.