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 CME Smog & Auto Repair in Vacaville, 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 CME Smog & Auto Repair in Vacaville.

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 CME Smog & Auto Repair in Vacaville.

Has the day finally come to replace your engine? If your engine is tired, worn out, and problematic, we can help at CME Smog & Auto Repair. First, let's take a look at remanufactured engines; what they are, what ‘remanufactured’ means and why they’re a great way to give your car a new life.

Here at CME Smog & Auto Repair in Vacaville we often do diagnostics and sometimes the problem is obvious after hooking the car up to the computer and reading the codes.  However, sometimes it isn't obvious during a test drive or after hooking it up to all those computer programs!  You know there is a problem and a Check Engine Light is on with the fleet customer telling you the car has been having issues starting and the light has been going off and on depending on several factors.  No pattern, no simple answer but the problem becomes obvious when you start following the "threads of the issue" thanks to all that ASE Technician training.

“Spark plug” is a word you are likely familiar with; it’s one of those car terms that you’ve heard your whole life. You know they’re important, you know sometimes they need to be changed. But how do you know when it’s time to replace them? What do they do, and where do they go wrong? CME Smog & Auto Repair in Vacaville has the answers.

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 CME Smog & Auto Repair in Vacaville, CA.

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 CME Smog & Auto Repair in Vacaville, CA.

On average, today’s vehicles get better gas mileage than ever. There are still ways to get the most out of the fuel that you put into your tank. Here are the factors that affect gas mileage, and what you can do to maximize yours, from CME Smog & Auto Repair in Vacaville, CA.

A huge part of what the hydraulic system in your transmission does is tell the mechanical components what to do and when to do it. Even if you don't understand how that works, our technicians at CME Smog & Auto Repair in Vacaville, CA have trained with the best to make sure they understand all the ins and outs of your system. We want you to understand what we're talking about when we talk to you about your vehicle so we'll break down some aspects of your hydraulic system. 

It’s a busy morning, you’ve finally gotten everyone where they need to be and you’re just pulling into the parking lot at work when your dash light starts glaring at you. Your check engine light shines bright, but you have no idea why. Whether you can tell a difference in the way your car, truck, or SUV is running, your car is trying to tell you something. At CME Smog & Auto Repair in Vacaville, CA, we can help!

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 CME Smog & Auto Repair in Vacaville, CA, we have those answers for you!

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 CME Smog & Auto Repair in Vacaville, CA, we have those answers for you!

Cars, trucks, and SUVs use and create multiple liquid substances. Here’s what you need to know about the puddle of liquid under your vehicle, from CME Smog & Auto Repair in Vacaville, CA. There are a few different substances that can pool under an automobile, and some are more serious than others. Knowing what to look for and what to do could save you from hassle with your vehicle in the long run. 

Cars, trucks, and SUVs use and create multiple liquid substances. Here’s what you need to know about the puddle of liquid under your vehicle, from CME Smog & Auto Repair in Vacaville, CA. There are a few different substances that can pool under an automobile, and some are more serious than others. Knowing what to look for and what to do could save you from hassle with your vehicle in the long run.