If your Hyundai i40 has the P0303 trouble code, you should know that it’s about as common of a code as there is. It’s a generic code (same meaning for all vehicles) that indicates that your car’s third cylinder is misfiring. P0303 is a real drivability concern and should be dealt with right away. If … Read more
P0113 is an OBDII trouble code that occurs when the Hyundai i40′s engine management computer detects that there is an issue with the Intake Air Temperature (IAT) Sensor, specifically that there is a High Input Problem with it. P0113: IAT Sensor – High Input Problem The IAT sensor is responsible for measuring the air temperature … Read more
P0141 is a very common OBDII code that occurs in the Hyundai i40. It is caused by a failure in one of the elements that heat the oxygen sensors, specifically bank 1 sensor 2, which is downstream from the catalytic converter. It technically stands for: The purpose of the heated element in the oxygen sensor … Read more
P0135 is a very common OBDII code that occurs in the Hyundai i40. It is caused by a failure in one of the oxygen sensors heated elements, specifically bank 1 sensor 1. It technically stands for: The purpose of the heated element in the oxygen sensor is to quickly bring your O2 sensor … Read more
P0457 is a somewhat common trouble code with the Hyundai i40. This code references a number that is given to you when you plug your i40 into a OBDII scanner. P0457 Indicates that there is a leak in the Evaporative Emission Control (EVAP) System. It is similar to P0455 (large leak) and P0456 (small leak) … Read more
One of the most common trouble codes with the Hyundai i40 is the P0456 code. This trouble code references a number that is given to you when you plug your i40 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
One of the most common issues that happens with the Hyundai i40 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
P0302 in the Hyundai i40 is a common OBD II trouble code. It indicates that your car’s second cylinder has a misfire. P0302 is a real drivability concern and should be dealt with right away. If it’s bad enough to cause your i40’s check engine light to come on, you shouldn’t drive your car at … Read more
P0441 is one of the more common OBD II codes that can occur in the Hyundai i40. 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
P0455 in the Hyundai i40 is a trouble code that indicates your truck has a LARGE evaporative emissions leak. With this code, you shouldn’t notice any symptoms besides perhaps a noticeable fuel smell. P0455 usually is not an immediate threat to the driveability of your i40. But, whenever the check engine light is on, it’s … Read more