Jeep Cherokee P0440: Meaning, Causes, How to Fix

The P0440 code is a common trouble code that many Jeep Cherokee owners may encounter. It indicates that there is an issue with the vehicle’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

Jeep Commander P0300: Meaning, Causes, + How to Fix

P0300 is a generic OBDII code that can occur with the Jeep Commander. This code indicates that your vehicle’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

Jeep Liberty P0300: Meaning, Causes, + How to Fix

P0300 is a generic OBDII code that can occur with the Jeep Liberty. This code indicates that your vehicle’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

Jeep Wrangler P0300: Meaning, Causes, + How to Fix

P0300 is a generic OBDII code that can occur with the Jeep Wrangler. This code indicates that your vehicle’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

Jeep Renegade P0300: Meaning, Causes, + How to Fix

P0300 is a generic OBDII code that can occur with the Jeep Renegade. This code indicates that your vehicle’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

Jeep Compass P0300: Meaning, Causes, + How to Fix

P0300 is a generic OBDII code that can occur with the Jeep Compass. This code indicates that your vehicle’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

Jeep Patriot P0300: Meaning, Causes, + How to Fix

P0300 is a generic OBDII code that can occur with the Jeep Patriot. This code indicates that your vehicle’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

Jeep Grand Cherokee P0300: Meaning, Causes, + How to Fix

P0300 is a generic OBDII code that can occur with the Jeep Grand Cherokee. This code indicates that your vehicle’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 … Read more

Jeep Cherokee P0300: Meaning, Causes, + How to Fix

P0300 is a generic OBDII code that can occur with the Jeep Cherokee. This code indicates that your vehicle’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

Jeep Commander P0171: Causes, Diagnosis, + How to Fix

One of the most common trouble codes with the Jeep Commander is P0171. It indicates that your Jeep Commander 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