Walnut Creek Auto Repair

BMW’s are known for their optimal performance and safety and are one of the most sought-after vehicles on the road. Unfortunately, they are not without their faults. BMW’s are known for developing lifter ticking issues with their hydraulic valve lifter. Lifter ticking issues can start off as a low and easy to miss noise coming from your engine. But it can develop into an annoying sound heard every time you start your vehicle and in intermittent frequencies as you drive. While it may not seem like much of a problem other than the annoying ticking & clicking, lifter ticking issues can signify or cause other problems with your vehicle. Let’s dig into the purpose of the hydraulic valve lifter, causes of lifter ticking issues, and what to do when experiencing this issue.   The Purpose of the Hydr ... read more

Oxygen sensors on the German-engineered Porsche serve an essential purpose in the vehicle’s performance. After many years in production, the Porsche brand remains one of the world's most regarded sports cars. With the advent of the fuel injection system, the reliability in Porsche's performance grew. The oxygen sensor still plays a large role in that dependability. In this article, we will look at the oxygen sensor, its purpose, and when it should be replaced in your Porsche. Purpose of an Oxygen Sensor All combustion engines run off of the ignition of a mixture containing a precise amount of fuel and oxygen. There are two O2 (oxygen) sensors located on the Porsche. These measure the car’s engine’s exhaust gases and report back to the computer system. This onboard computer controls the air and fuel mix. The O2 sensors will ... read more