Jeep Compass P2270: Symptoms, Causes, + Diagnosis

P2270 is a general DTC trouble code, which means it has the same meaning for the Jeep Compass as it would any other vehicle.  It means that the oxygen sensor located on bank 1 behind the catalytic converter is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that … Read more

Jeep Compass P0453: Fuel Tank Pressure Sensor/Switch Too High

Your Jeep Compass utilizes an evaporative emissions control (EVAP) system to migrate fuel vapors from the gas tank and fuel filler neck, and sends them to the engine to be burned off.  When the pressure inside of the fuel tank is too high, P0453, is thrown and the check engine light comes on. If the only … Read more

Jeep Compass P0452:  FUEL Tank Pressure Low Diagnosis

P0452 is a generic OBD II code that can occur in the Jeep Compass.  It means that your Compass’s EVAP system has detected low fuel tank pressure. The evaporative emissions control system (EVAP) sends fuel vapors from the fuel tank to the intake manifold to be burned off.  When the pressure in the system is … Read more

P2189 Jeep Compass:  Lean Condition at Idle (Bank 2)

P2189 is a DTC code that can occur in your Jeep Compass.  It indicates the air fuel mixture is too lean at idle, specifically in bank 2 (we’ll cover how to find bank 2 later).  Its is different from the much more common P0174, which indicates that bank 2 is lean at any engine speed. … Read more

Jeep Compass P2187:  Bank 1 A/F Mixture Too Lean”

P2187 is a DTC code that can occur in the Jeep Compass.  It indicates the air fuel mixture is too lean at idle. The technical definition for P2187 “System Too Lean at Idle: Bank 1”.  The code is thrown after your Compass’s oxygen sensor on Bank 1 (usually sensor 1) has detected that the air … Read more

Jeep Compass P2181: Symptoms, Causes & Diagnosis

P2181 indicates that your Jeep Compass has an observed cooling system temperature that is too high or too low. It will come up in the scan tool as “Cooling System Performance”. The trouble with P2181 is that by itself, it’s not narrowing much down.  There could be a problem with your Compass’s cooling system, temperature … Read more

Jeep Compass Overheating While Idle: Causes + Fix

There are a few reasons why your Jeep Compass would be overheating when idling.  The most common ones include a bad thermostat, water pump, electric fans, and low coolant level.  This guide is intended to help you find the cause of this overheating in the most efficient way possible.  So, let’s start with what’s easy … Read more

Jeep Compass:  P0068 MAP/MAF Throttle Position Correlation

P0068 in the Jeep Compass is a generic OBD II code.  In layman’s terms, it means that the MAP (manifold absolute pressure) and/or MAF (mass airflow sensor) are providing the Compass’s computer contradicting data compared to what it should be in relation to the throttle position sensor. The throttle position sensor tells the computer how … Read more

Jeep Compass: Engine Smoking Causes + Diagnosis

A smoking engine is a serious thing.  If your Jeep Compass’s engine has smoke coming from it, it needs to be addressed right away.  It can be caused by quite a few different problems, none of which should be ignored. The most common reasons why your Compass’s engine would smoke include overheating, burning oil, or … Read more

Jeep Compass Hesitating to Start (5 Most Common Reasons)

While it may not leave you stranded, a vehicle that hesitates to start can be very concerning. There are a few reasons why your Jeep Compass may not be starting, such as a bad starter, a bad battery, bad alternator, and more.   Jeep Compass Hesitates to Start: Causes Here are some of the most … Read more