Yes, you can. There are a few methods that you can use without a scanner or spending money on a mechanic. But before we get started, we need to understand what the codes mean and what they may indicate.
Every car has system that monitors various parameters in order to detect potential problems with the engine. Depending on where your check engine light is located, it could be telling you something about one of these systems.
Here’s a list of some of the common codes and their meanings:
P0404 – This code is typically associated with air flow problems in the engine. It could be indicating that there’s not enough air entering or leaving the cylinders, causing hesitation or missed power. This issue is often caused by dirty intake filters or an obstruction on the exhaust system.
P1402 – If this code appears, it means that your fuel injection sensors have failed. This could result in inconsistencies in fuel supply to the engine and cause