P0128 Chevy Impala: Meaning, Causes, How to Fix

The P0128 OBD II trouble code indicates that your Chevy Impala’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

Chevy Impala P0456: Meaning, Causes, How to Fix

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

Chevy Impala P0102: Meaning, Causes, + How to Fix

If you own a Chevy Impala, you may have encountered the P0102 trouble code. This code indicates that the Mass Air Flow (MAF) circuit is low and not performing within its specified operating range. When this happens, your car may experience drivability issues such as stalling, lack of power, rough idle, and hesitation. There are … Read more

Chevy Impala P0101: Meaning, Causes, and Diagnosis

P0101 code in the Chevy Impala is crucial to maintaining your truck’s performance and ensuring it runs efficiently. This code indicates that there is a problem with your car’s Mass Air Flow (MAF) sensor, specifically, a Range/Performance issue. The most common cause of P0101 is a bad MAF sensor. When you encounter the P0101 code, … Read more

Chevy Impala OBDII Code Diagnosis

P0141 is a very common OBDII code that occurs in the Chevy Impala. 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

P0113 Chevy Impala

P0113 is an OBDII trouble code that occurs when the Chevy Impala’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

Chevy Impala P0011: What it Means + How to Fix

P0011 is a common (and serious) OBD II diagnostic trouble code that can occur in the Chevy Impala. It indicates an issue with your car’s Variable Valve Timing (VVT) system. The first thing you should do when you have this code is check your Impala’s oil. If the oil level is too low, the camshaft … Read more

Chevy Impala P0441: Meaning, Causes, How to Fix

P0441 is one of the more common OBD II codes that can occur in the Chevy Impala.  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

Chevy Impala P0174: Meaning, Causes, How to Fix

One of the most common trouble codes with the Chevy Impala is P0174. It indicates that your Chevy Impala 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 list of … Read more

Chevy Impala P0446: Meaning, Causes, How to Fix

A prevalent issue with the Chevy Impala is the P0446 code. This code corresponds to a specific number obtained when connecting your Impala 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