Last month, we kicked this series off by showing you how to save some money by diagnosing a bad MAP sensor rather than just chucking cash at new parts that may or may not fix a specific problem. This ...

We may receive a commission on purchases made from links. One tool you'll find stashed in all the best electrician's tool backpacks is a multimeter. Most modern multimeters are of the digital variety, ...

This article applies to the Porsche 993 (1993-1998). Engine knock occurs when the air/fuel mixture in the cylinder does not combust correctly when the spark plugs are ignited, causing pockets of the ...

This article applies to the Chevrolet Camaro and Pontiac Firebird (1990-2002). Have you noticed that your car is running less efficient? Does it occasionally misfire? Or does the exhaust pipe smell ...

This article applies to the Mercedes-Benz E-Class (2002-2009). The Mercedes-Benz E-Class oxygen sensor is the main component for the emission control system. When it's not working properly, the engine ...