Any time the engine doesn’t run as it should, the Check Engine Light can illuminate on your car’s dashboard. After using your OBD-II scanner, you might notice the P0138 code and wonder what that means ...

Even when the car seems to be running just fine, you might find a Check Engine Light on your dashboard. One look with your code scanner might reveal the P0136 code, but what does this mean? In this ...

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 ...

The O2 sensor is placed on the exhaust right before the cat. There is only one. You can find the connector that goes to the ECU right behind the bottom side panel that covers the frame, among other ...