01
Smog Check & Certification
State smog testing and certification, including diagnosis and repair of the issues that cause a failed test.
Honest auto repair and smog checks in Fontana
Honest Auto Repair And Smog Checks In Fontana
Fontana drivers trust us for straightforward diagnostics, fair pricing, and Smog Check certification.
4.5★
Google Rating
53
Google Reviews
Services
Everything we take on.
02
Check Engine Light Diagnostics
Thorough diagnosis of check-engine lights and other warning signs, with repairs verified until the issue is actually resolved.
03
Suspension Repair
Suspension diagnosis and repair, including fixes for leaks and worn components that affect ride quality.
04
Brake Service
Brake system service and repair to keep your vehicle stopping safely.
Photos
A look around.
Straight answers, fair prices, and repairs done right.
Our story
A Fontana Shop Built On Straight Talk
Williams Independent Auto Repair & Smog has been keeping Fontana vehicles running right, one honest diagnosis at a time. Whether it's a routine Smog Check or a stubborn check-engine light, we take the time to find the actual problem instead of guessing.
Customers keep coming back because we tell them what's really going on with their car and charge a fair price for the work it takes to fix it. When a repair doesn't stick the first time, we keep digging until it's resolved.
From suspension work to smog certification, we treat every vehicle that comes through our door like it's our own.
- Straightforward, honest pricing
- Persistent diagnostics until the issue is truly fixed
- Smog Check testing and repair
What customers say
“Very satisfied with there work, honesty and fair price. They did my suspension change due to leaks and they've done it really good. Now my car run smooth like a new car. It's hard to find this kind of shop nowadays.”
“I took my car here with the check engine light on and it needed a smog. They found the issue and replaced the parts needed to fix the car. I had to bring back the car multiple times because the check engine light keeps turning on. They are really nice and keep checking what the issue is until they finally found the issue and I passed the smog. I recommend coming here because they really find the issue and fix you car.”
“This shop offers great service and also pretty quick. Pricing is also pretty decent...they strive to ensure all work done is done right. Honest and very dependable. Highly recommend this place if you need honest quality work done.”
Get it booked.
(909) 428-6805
Get directions →9435 Sierra Ave., Fontana, CA 92335, USA
Hours
Open now- Monday
- 8:00 AM – 5:00 PM
- Tuesday
- 8:00 AM – 5:00 PM
- Wednesday
- 8:00 AM – 5:00 PM
- Thursday
- 8:00 AM – 5:00 PM
- Friday
- 8:00 AM – 5:00 PM
- Saturday
- 8:00 AM – 2:00 PM
- Sunday
- Closed
9435 Sierra Ave., Fontana, CA 92335, USA
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