Today we're going to talk about on-board diagnostics and the questions we hear from folks around San Diego, CA, who need answers about diagnostic services. They want to know what diagnostics are, what's involved and what the benefits are. They really want to understand the value of diagnostic scans by a trained technician in San Diego.These are valid concerns. If you don't understand something it's really hard to know its value. Let's start with some history.Since 1996, all cars and light trucks in San Diego, CA, have been required to use a standardized diagnostic system to help repair technicians determine what's wrong with your vehicle. The diagnostic system works with the vehicle's Engine Control Module – the computer that controls many engine functions.The computer monitors dozens of components and processes. Depending on what the sensors read, the computer will make adjustments to compensate for conditions and minor problems. When there is a condition that it can't adjust fo ... read more

Hello San Diego! Let's talk about alignment. One of the most important parts of preventive maintenance for your vehicle is keeping the wheels in alignment. Poor alignment causes your tires to wear unevenly, which can significantly reduce their lifespan. This means you will have to replace them more often, which can be costly for drivers in San Diego.It can even damage your suspension system, which is costly to repair. But even more importantly, uneven tread wear can lead to blowouts on the road, a dangerous and potentially deadly safety risk for San Diego drivers and their passengers.It may not take an accident or bad driving habits to “knock” your tires out of alignment. Tires can go out of alignment with just everyday CA driving. San Diego road hazards, pot holes, uneven or gravel roads, and even the bumps and bounces of normal San Diego roads and surface streets can gradually put your vehicle tires out of alignment.So it's good auto adv ... read more

Road trip, anyone? Nothing spoils a great vacation faster than ending up stranded on the side of the road or spending a week in a rundown motel while our vehicle sits in the shop. Long days on the road can bring out the worst in your vehicle, so before you leave, prepare it for the journey by getting a trip inspection at John's Automotive Care in San Diego. After all, you wouldn't travel without clean socks, why ask your vehicle to travel with a load of dirty oil?The first step in a trip inspection at John's Automotive Care is to look at your travel plans. What kinds of roads will you be driving on? Will you be in the CA back country or on the freeway? Will you be crossing mountains? Off-roading? What will the weather be like? How far away from San Diego will you be traveling? How much are you hauling? Will you be towing a trailer or lugging a rooftop carrier? Will you encounter dust, mud, snow or sea salt? All of these questions can help determine which services are most ne ... read more

Every day you drive, you're sitting behind the dashboard. But how in the world did it get that name? Back in the days of the horse-drawn carriage, horses would kick up dirt and mud on the driver and passengers, "dashing" debris against the carriage. So those who built carriages began installing a board to protect them. So, dash-board. Dashboard. The dashboard is still there, though changed quite a bit from the early days. Now its main purpose is to house the controls and instruments for your vehicle's systems. Of course, you have the speedometer, tachometer and gas gauge. But there are four warning lights you need to pay attention to on your dashboard and instrument panel. Some of these may even be gauges, depending on your model of vehicle. Regardless, paying attention to them is a good idea if you want your vehicle to keep going as long as possible. Oil pressure—The oil pressure light will come on if your engine doesn't have enough pressure in its system. Low oil pressure means ... read more