Toyota Celica P0500: VSS – Circuit Malfunction

  P0500 is a OBDII trouble code that affects the Toyota Celica‘s Vehicle Speed Sensor (VSS). The VSS sends a signal to the engine’s computer letting it know how fast that the vehicle is going. The Celica uses this signal for many vehicle functions. It helps control transmission shifts, ABS, cruise control, the speedometer, and … Read more

Toyota Celica P0440: Meaning, Causes, How to Fix

The P0440 code is a common trouble code that many Toyota Celica owners may encounter. It indicates that there is an issue with the car’s Evaporative Emission Control (EVAP) system. Specifically, the EVAP system is malfunctioning. A variety of causes can trigger the P0440 code, with the most common one being a loose or damaged … Read more

Toyota Celica P0403:EGR→ Circuit Malfunction

P0403 is a very common trouble code. It is a generic code, which means that it has the same meaning for the Toyota Celica as it would any other vehicle. It affects the EGR (Exhaust Gas Recirculation System and technically means: P0403: EGR→ Circuit Malfunction A circuit malfunction implies that there is a wiring problem … Read more

Toyota Celica P0401: EGR – Insufficient Flow Diagnosis

P0401 is a common OBDII trouble code that’ll pop up in the Toyota Celica. It has to do with the emissions system and stands for: The EGR system on a vehicle is responsible for recirculating exhaust gasses in order to lower the vehicles emissions output. There are three main parts of the Celica’s EGR system. … Read more

Toyota Celica P0171: Causes, Diagnosis, + How to Fix

One of the most common trouble codes with the Toyota Celica is P0171. It indicates that your Toyota Celica is running lean on the bank one side.  It’s the most common air/fuel mixture-related code. It’s not the most complicated OBDII trouble code to diagnose. It is also one of the most common codes. The most … Read more

Toyota Celica P0305: Misfire Detected (Cylinder 5)

P0305 is a fairly common trouble code with the Toyota Celica. It’s and OBD2 code and stands for: P0305 is certainly a cause for concern, and should be considered a threat to the drivability your Celica. The nice thing about P0305 is that it’s a cylinder specific trouble code, which makes diagnosing the problems simpler … Read more

Toyota Celica P0441: Meaning, Causes, How to Fix

P0441 is one of the more common OBD II codes that can occur in the Toyota Celica.  It is frequently caused by a loose or bad gas cap, cracked or disconnected EVAP system hoses, vacuum leaks, or a bad purge valve. Always start by taking a look at the gas cap. P0441 is related to … Read more

Toyota Celica P0304: Cylinder 4 Misfire – Diagnosis + Fix

If your Toyota Celica has the P0304 trouble code, you should know that it’s about as common of a code as there is. It’s a generic OBD IIcode (same meaning for all vehicles) that indicates that your car’s fourth cylinder is misfiring. P0304 is a drivability concern and should be dealt with right away. If … Read more