Nissan Altima P0172: Fuel System Rich – Bank 1

A common trouble code with the Nissan Altima 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. Nissan Altima … Read more

Nissan Altima P0446: Meaning, Causes, How to Fix

A prevalent issue with the Nissan Altima is the P0446 code. This code corresponds to a specific number obtained when connecting your Altima to an OBDII scanner. A faulty vent control valve most commonly causes P0446. Definition P0446: EVAP System – Vent Control Circuit – Malfunction Symptoms Usually none Common Causes Bad EVAP Vent Control … Read more

Nissan Altima P0304: Cylinder 4 Misfire – Diagnosis + Fix

If your Nissan Altima 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

P0303 Nissan Altima: Cylinder 3 Misfire Diagnosis

If your Nissan Altima 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

Nissan Altima P0113: IAT Sensor → High Input Problem

P0113 is an OBDII trouble code that occurs when the Nissan Altima’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

Nissan Altima P0141 Diagnosis

P0141 is a very common OBDII code that occurs in the Nissan Altima. 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

Nissan Altima P0457: EVAP System – Leak Detected

P0457 is a somewhat common trouble code with the Nissan Altima. This code references a number that is given to you when you plug your Altima 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

Nissan Altima P0456: Meaning, Causes, How to Fix

One of the most common trouble codes with the Nissan Altima is the P0456 code. This trouble code references a number that is given to you when you plug your Altima 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