Toyota Matrix P0102: Meaning, Causes, + How to Fix

If you own a Toyota Matrix, you may have encountered the P0102 trouble code. This code indicates that the Mass Air Flow (MAF) circuit is low and not performing within its specified operating range. When this happens, your car may experience drivability issues such as stalling, lack of power, rough idle, and hesitation. There are … Read more

Toyota Matrix P0442 Engine Code: Causes + How to Fix

One of the most common issues that happens with the Toyota Matrix is the P0442 trouble code. This code appears when connecting the vehicle to an OBDII scanner and pertains to the emissions system.  While it’s unlikely to cause a breakdown, it can be bothersome and may result in a failed emissions test for your … Read more

Toyota Matrix P0456: Meaning, Causes, How to Fix

One of the most common trouble codes with the Toyota Matrix is the P0456 code. This trouble code references a number that is given to you when you plug your Matrix into an OBDII scanner. P0456 Indicates that there is a small leak in the evaporative emission control system. It often appears with or is … Read more

Toyota Matrix P0316: Engine Misfire → At Startup

A relatively common, yet difficult to diagnose OBD-II trouble code is P0316. It has the same meaning for the Toyota Matrix as it would any other vehicle.  It indicates that there is a misfire at the startup of the vehicle, and that it happens within the first 1000 revolutions of the engine. P0316: Engine Misfire … Read more

Toyota Matrix P0306: Misfire Detected (Cylinder 6)

P0306 is a fairly common trouble code with the Toyota Matrix. It’s and OBD2 code and stands for: P0306 is certainly a cause for concern, and should be considered a threat to the drivability your Matrix. The nice thing about P0306 is that it’s a cylinder specific trouble code, which makes diagnosing the problems much … Read more

Toyota Matrix P0421 Code: Meaning, Causes, How to Fix

P0421 is a relatively rare OBDII trouble code.   It’s generic, which means it has the same definition for the Toyota Matrix as it would any other vehicle. It is technically defined as “Warm Up Catalyst Efficiency → Below Threshold (Bank 1)”. In layman’s terms, it indicates that your Toyota Matrix’s catalytic converter is not scrubbing pollutants efficiently … Read more