01
Auto Repair & Diagnostics
Full diagnostic work for all makes and models, explained clearly so you know exactly what's being fixed and why.
Honest, Detailed Auto Repair in Vallejo
The Vallejo Mechanic Who Explains Every Repair
From routine maintenance to hybrid diagnostics, AJ's walks you through every repair in plain English before any work begins.
4.5★
Google Rating
48
Google Reviews
Vallejo, CA
Location
All Makes
Vehicles
Hybrids
Specialty
Services
Everything we take on.
02
Routine Maintenance & Oil Changes
Regular maintenance and oil changes to keep your car running reliably between visits.
03
Brakes & Tires
Brake service and tire work handled with the same thorough attention as every other repair.
04
Hybrid Vehicle Care
Specialized care for hybrid vehicles, backed by ongoing training on the latest technology.
Photos
A look around.
The Mechanic Who Explains Every Repair Before He Makes It
Our story
A Shop Built on Straight Answers
At A J's Auto Repair, we believe you should understand exactly what's happening under your hood, not just pay the bill. Owner Allen handles everything from oil changes and brake work to full diagnostics, and he walks every customer through the problem and the fix in plain terms before any work begins.
We work on all makes and models, including hybrids, and we make a point of staying current, regularly taking classes to keep up with the latest automotive technology so newer vehicles get the same careful attention as older ones.
Drivers come to us from well beyond Vallejo, including regulars who drive in from San Pablo, because the shop is run the way a repair shop should be: honest, thorough, and clean.
- Owner-operated, hands-on repairs
- Plain-English explanations, every time
- Ongoing training on new technology
- Hybrid vehicle experience
What customers say
“AJ is a consummate professional who really knows his trade. He is more than capable of handling most, if not all, auto repairs you may need, and he explains the problem to you in detail and in layman's terms so you know what he's charging you for and why.”
“AJ's Auto is the best mechanic around. I have been going there for many years and he never disappoints. He explains in great detail exactly what he's doing to the car and how it will help it run better.”
“Allen has been an outstanding mechanic for me down through the years. He is a wealth of information and experience. After a few bad experiences at the dealer, I've been coming here ever since. He has always been very honest and informative with the work he does.”
Get it booked.
Serving Vallejo, CA.
(707) 644-2884
Get directions →451 Ryder St #4, Vallejo, CA 94590, USA
Hours
Closed 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 – 5:00 PM
- Sunday
- Closed
451 Ryder St #4, Vallejo, CA 94590, USA
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