Toyota Celica P0442 Engine Code: Causes + How to Fix

One of the most common issues that happens with the Toyota Celica 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 Celica P0456: Meaning, Causes, How to Fix

One of the most common trouble codes with the Toyota Celica is the P0456 code. This trouble code references a number that is given to you when you plug your Celica 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 Celica 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 Celica 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 Celica P0306: Misfire Detected (Cylinder 6)

P0306 is a fairly common trouble code with the Toyota Celica. 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 Celica. The nice thing about P0306 is that it’s a cylinder specific trouble code, which makes diagnosing the problems much … Read more

Toyota Celica 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 Celica 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 Celica’s catalytic converter is not scrubbing pollutants efficiently … Read more

Toyota Celica P0496 OBDII Code Diagnosis

One of the most common trouble codes with the Toyota Celica is the P0496 code. This code number references a number that is given to you when you plug your Celica into an OBDII scanner. Below, you’ll find the most common symptoms and ways to diagnose the P0496 in your Toyota Celica. Good Luck!   … Read more