P0449 Chevy Impala

A very common issue with the Chevy Impala is the P0449 code. This trouble code is a reference number that is given to you when you plug your Impala into a OBDII scanner. P0449 deals with the evaporative emissions control system. It often appears with, or is related other codes, such as P0420, P0446, and … Read more

Chevy Impala P0300: Meaning, Causes, + How to Fix

P0300 is a generic OBDII code that can occur with the Chevy Impala. This code indicates that your car’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire, … Read more

Chevy Impala P0440: Meaning, Causes, How to Fix

The P0440 code is a common trouble code that many Chevy Impala owners may encounter. It indicates that there is an issue with the car’s Evaporative Emission Control (EVAP) system. Specifically, the EVAP system is malfunctioning. A variety of causes can trigger the P0440 code, with the most common one being a loose or damaged … Read more

Chevy Impala P0455: Meaning, Causes, + How to Fix

P0455 in the Chevy Impala 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 Impala. But, whenever the check engine light is on, it’s … Read more

P0496 Chevy Impala

One of the most common trouble codes with the Chevy Impala is the P0496 code. This code number references a number that is given to you when you plug your Impala into an OBDII scanner. Related: P0420 Chevy Impala Chevy Impala P0496 Symptoms P0496 code in the Chevy Impala will often be accompanied by an … Read more

Chevy Impala P0420: Meaning, Causes, + How to Fix

This page is meant to help you troubleshoot the Chevy Impala P0420 trouble code. It covers the P0420 code’s meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Table … Read more