Author: Byron Moreira

Dashboard warning lights provide important information about your vehicle’s condition. Some alerts indicate minor concerns, while others signal issues that may affect safety or reliability. Understanding what these lights mean helps drivers make informed decisions and address problems before they become more serious.  At Johnny’s Auto Service in Covina, we often help drivers interpret dashboard…

At Johnny’s Auto Service, we’ve always believed that a little knowledge can make car ownership feel much more manageable. As a family-owned shop serving Covina for many years, we’ve met drivers with all types of vehicles and driving habits, and we’ve seen how helpful it can be to understand a few basic maintenance items. Whether…

Buying a pre-purchased vehicle is a meaningful purchase, and most drivers want to feel certain they’re choosing something safe and dependable. A car can look well cared for and seem fine during a short test drive, but many important systems aren’t easily evaluated without lifting the hood, checking underneath the vehicle, or reviewing diagnostic data….

As the year comes to a close, we want to extend a genuine “thank you” to everyone who visited Johnny’s Auto Service in 2025. We appreciate the trust you place in our team each time you bring in a vehicle for maintenance, diagnostics, or repairs. Serving the Covina community means a lot to us. As…

Understanding the Causes and What to Do At Johnny’s Auto Service, we know that feeling your car shake when you brake can be both unsettling and concerning. It’s a common issue many drivers experience, and it often signals that your vehicle needs professional attention. When your car vibrates as you press the brake pedal, it’s…

At Johnny’s Auto Service, we understand the concern that comes with unexpected vehicle trouble—especially when it might lead to major repairs. Some issues are relatively minor, but others can significantly impact your vehicle’s performance and reliability if not addressed promptly. Below are several of the most significant automotive repairs we encounter, along with tips on…

If you’ve ever needed vehicle service or repairs, you’ve probably asked yourself: “Should I take my car to the dealership or an independent shop?” It’s a common question—and the answer isn’t always one-size-fits-all. If your vehicle needs routine maintenance, a sudden repair, or you’re simply being proactive about upkeep, both dealerships and independent auto shops…

Extend the Life of Your Vehicle with Smart Maintenance Your vehicle’s transmission is one of its most critical systems, responsible for transferring power from the engine to the wheels and ensuring smooth gear changes. Just like your engine needs regular oil changes, your transmission also requires consistent care to operate efficiently. Ignoring this essential service…

Why Proper Maintenance Matters At Johnny’s Auto Service, we’ve seen more and more hybrid vehicles rolling into our Covina shop—and it’s easy to understand why. Hybrid cars offer a smart blend of performance, fuel savings, and environmental consciousness, making them a solid choice for today’s drivers. But the question we hear often is: Do hybrids…

Here’s What Covina Drivers Should Know At Johnny’s Auto Service, we’ve been helping Covina drivers make smart car decisions for over 40 years. If you’re thinking about buying a new ride, selling your current vehicle, or just riding it out with the car you have, timing is everything. The auto market shifts all the time—and…