The P0151 code is an OBD-II diagnostic trouble code that indicates low voltage in the Lexus IS 300’s Oxygen (O2) sensor circuit located at Bank 2, Sensor 1 (B2S1). The B2S1 O2 sensor plays a crucial role in maintaining optimal engine performance by detecting the air-fuel ratio in the exhaust, then sending this data to … Read more
P0150 is a very common OBDII code that occurs in the Lexus IS 300. It is typically caused when the Oxygen Sensor voltage is not within normal operating conditions. Lexus IS 300 P0150 Symptoms Typically, the only symptom of P0150 is going to be the service engine soon light. In some cases, there can be … Read more
P0740 is one of the most common transmission trouble codes. It means that the IS 300‘s computer has detected that there is an issue with the torque converter clutch (TCC) solenoid circuit. P0740: Torque Converter Clutch Circuit Malfunction The TCC “locks” the drivetrain, which allows for a true mechanical connection between the … Read more
P0330 is a powertrain OBDII trouble code that has the same meaning for the Lexus IS 300 as it would any other vehicle. By definition, it means that the vehicles ECM/PCM isn’t getting the proper signal from the knock sensor. Clearing this code typically requires a new knock sensor. The second most common cause … Read more
P0405 is a generic OBDII trouble code. It deals with the signal coming from the EGR system. Since it is a generic code, it has the same meaning for the Lexus IS 300 as it would any other vehicle. The EGR system allows a certain amount of the IS 300’s exhaust to re-enter the … Read more
P0175 is a common trouble code that can appear in the Lexus IS 300. It’s generic, so it has the same meaning for your car as it would any other automobile. There are MANY issues that can cause P0175 in the IS 300. If there are other codes present, use them to eliminate potential causes … Read more
One of the most common trouble codes with the Lexus IS 300 is P0174. It indicates that your Lexus IS 300 is running lean on the bank two side of the engine. P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. If they appear together, it reduces the … Read more
A common trouble code with the Lexus IS 300 is P0172. This code number references a number given to you when you plug your car into an OBDII scanner. It’s not the most complicated OBDII trouble code to diagnose. It is also one of the most common. It means the motor is running rich. Lexus … Read more
P0161 is a very common OBDII code that occurs in the Lexus IS 300. It is typically caused by a failure in one of the elements that heat the oxygen sensors, specifically bank 2 sensor 2. Replacing the Oxygen sensor will fix the problem a majority of the time. Some of the other causes of … Read more
P0138 is a common OBDII code that occurs in many vehicles, including theLexus IS 300. The code is triggered when: The voltage at the sensor remains above threshold for 20 seconds or more Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself There are also some less likely … Read more