Mercury Milan P0171: Causes, Diagnosis, + How to Fix

One of the most common trouble codes with the Mercury Milan is P0171. It indicates that your Mercury Milan 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

Mercury Milan P0141 Diagnosis

P0141 is a very common OBDII code that occurs in the Mercury Milan. 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

P0128 Mercury Milan: Meaning, Causes, How to Fix

The P0128 OBD II trouble code indicates that your Mercury Milan’s engine coolant temperature has not reached its required operating temperature within a certain amount of time after starting the car. This code can appear as soon as you start your vehicle, or it can also occur while driving. It’s essential to address this issue … Read more

Mercury Milan P0122: TPS “A” Circuit Low Input

P0122 is a common trouble code with the Mercury Milan. It’s an OBDII code that references issues with the Throttle Position Sensor (TPS). It is relatively serious problem since it can leave your vehicle stranded or severely limited.     OBDII code P0122 is a serious problem that requires serious attention. Diagnosing it can be … Read more

Mercury Milan P0113: IAT Sensor → High Input Problem

P0113 is an OBDII trouble code that occurs when the Mercury Milan’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

Mercury Milan P0304: Cylinder 4 Misfire – Diagnosis + Fix

If your Mercury Milan 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

Mercury Milan P0457: EVAP System – Leak Detected

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