Q: Here is another 2004 Trailblazer issue. I’ve been getting P0141 codes. My local guy has replaced both O2 sensors twice, and the code keeps coming back within a couple of days. The engine runs fine ...

That sinking feeling when your check engine light flickers on doesn’t have to mean an expensive diagnostic fee at the shop. Your smartphone already handles banking, navigation, and ordering food-why ...

You hear a new, disturbing noise coming from your engine, open the hood, look around, and find nothing. Now what? Before you reach for a conveniently-placed torque wrench to try the ol’ “love tap,” ...

Modern technology has made diagnosing vehicular issues much easier than ever before. Using an OBD2 (On-Board Diagnostics II) scanner is a relatively simple process that can provide crucial information ...

While the purpose of an OBD2 scanner can prove invaluable in diagnosing a vehicle’s issues, the cost of entry varies widely. How much you spend on an OBD2 scanner depends on your specific needs and ...