If you own or operate a fleet or commercial truck, there’s a lot that factors into having a major repair done on one of your vehicles. At Craig Johnson Automotive in Rowland Heights, CA, we’re here to help you make the right choice.

There’s a huge percentage of vehicle on the road, right now, with the check engine light illuminated. Many of them have had it on for years, even. Frequently, a check engine light will illuminate, but pose no immediate problems, so people just get used to it and learn to live with it being on. However, Craig Johnson Automotive in Rowland Heights, CA would like you to know that it’s worth having it looked into. Typically, the problem can be diagnosed by simply plugging your car into our computer; the vehicle gives us a code, and we know what the problem is immediately.

Diagnostics are an important aspect of modern vehicle maintenance and repair. Your car or SUV is equipped with an array of computers and sensors which monitor your engine activity, and flag anything that isn’t operating as it should. At Craig Johnson Automotive in Rowland Heights, we are experts in performance and luxury automobile repair - and when diagnosing the problem is sometimes the most difficult part of the process, an expert is what you need. For cars like Audi, Porsche, BMW, VW, MINI, and Subaru, selecting the right shop is key to correctly diagnosing and correcting any sort of malfunction.

At Craig Johnson Automotive in Rowland Heights, CA, our technicians have a wide variety of top of the line tools and equipment available to diagnose and repair your vehicle. We utilize equipment at the forefront of technological innovation to best provide for the specific needs of your car.

Regular maintenance checks of your vehicle will help you avoid a catalytic converter that looks like this resulting in large repair costs which is what our team here at Craig Johnson Automotive in Rowland Heights want to avoid at all costs! We feel that every customer has a need to know what repairs are in their future and exactly how to budget for them if need be so we check your vehicle thoroughly and keep you informed.

There are several indicators that your catalytic converter isn't functioning at maximum capacity such as:

It may be time to retire your old engine, or perhaps you’re looking to boost your vehicle’s performance. Either way, you need a high-performance engine installed, and you need it done right. From bolt-in crate engines to professionally modified motors, Craig Johnson Automotive in Rowland Heights has a team of expert mechanics you can trust to do the quality job you’re searching for. We specialize in engine repair and replacement for high-performance automobiles like Porsche, Audi, BMW, VW, and Subaru.

At Craig Johnson Automotive in Rowland Heights, CA, we know it isn’t always easy deciding what to do next when it comes to major engine repairs. Fortunately, that’s what we’re here for - to help you make the best decision for your situation.

At Craig Johnson Automotive in Rowland Heights, CA, we know replacing an entire engine can be a tough call to make - that’s why we’re here to help you make an expert decision on the matter.

It’s not always easy to recognize when your vehicle is suffering from a simple problem that requires a little maintenance and TLC or there is real engine damage as symptoms can be overlooked and seen as “normal.” While not all sounds and smells may threaten the life of your vehicle or truck engine, there are some obvious warning signs that require a vehicle inspection here at the shop right away.

The heads on your commercial or fleet diesel are one of the most integral parts of your engine. The heads are comprised of the valvetrain, exhaust ports, intake ports, and injector ports. In essence, a head’s purpose is to regulate and time the intake of fresh air, the release of exhaust, the compression of fuel and air that provides combustion, and the entry point for fuel into the cylinder. The head is where all the complex aspects of engine operation occur...without it, you just have a chunk of metal with pistons in it, and no way to make them move. Here’s what you need to know about your heads, from Craig Johnson Automotive in Rowland Heights, CA.

Obviously, your engine is the heart and soul of your car, truck, or SUV. When your engine requires maintenance or repair, rest assured your vehicle is in good hands at Craig Johnson Automotive in Rowland Heights.

Commercial trucks have heavy engines, and they spend a lot of time running, particularly at idle. As a result, the mounts that secure the engine to chassis of the truck have a tendency to wear out, causing all sorts of shaking and vibration that the driver will feel in the cab of the truck. At Craig Johnson Automotive in Rowland Heights, we can take care of that for you.

Have you ever noticed your dashboard ABS icon lit up? If you have it means there is an issue that needs to be diagnosed, ABS issues don’t need to be ignored long. The anti-lock braking system, or ABS, is an important feature on every modern car, truck, or SUV. It has been legally mandated since 2013 in the US but was standard on almost every vehicle even prior to that. Here’s what you need to know to make sure your ABS system doesn’t fail, from Craig Johnson Automotive in Rowland Heights, CA.

On modern vehicles, the PCV system (Positive Crankcase Ventilation System) is essential to ensuring your car or truck is ready to go when you are and remains a long-lasting, reliable vehicle. It’s much more than just emissions control - your PCV system serves multiple purposes and is quite interesting! How does it work, and what are those purposes?  Here at Craig Johnson Automotive in Rowland Heights, CA, we have those answers for you!