Honda Civic P2270: Symptoms, Causes, + Diagnosis

P2270 is a general DTC trouble code, which means it has the same meaning for the Honda Civic 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

Honda Civic:  P1009- VTC Stuck Advanced

P1009 is a common Honda made vehicle trouble code.  This code indicates the VVT advance control is malfunctioning, leaving the engine timing stuck advanced. Many Honda Civic’s use something called a VTC actuator to control the camshaft timing of the engine.  It works by using oil pressure to hydraulically move the camshaft.  This allows the … Read more

Honda Civic P1399:  Random Cylinder Misfire

P1399 is a Honda specific diagnostic trouble code.  It means that more than one of your Civic’s cylinders is misfiring (maybe just one, more on that below), and is most common fix is to adjust the valve lash or replace the bad ignition component. P1399 Quick Facts Most commonly caused by valves that are out … Read more

Honda Civic P0453: Fuel Tank Pressure Sensor/Switch Too High

Your Honda Civic 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

Honda Civic P0452:  FUEL Tank Pressure Low Diagnosis

P0452 is a generic OBD II code that can occur in the Honda Civic.  It means that your Civic’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 Honda Civic:  Lean Condition at Idle (Bank 2)

P2189 is a DTC code that can occur in your Honda Civic.  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

Honda Civic P2187:  Bank 1 A/F Mixture Too Lean”

P2187 is a DTC code that can occur in the Honda Civic.  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 Civic’s oxygen sensor on Bank 1 (usually sensor 1) has detected that the air … Read more

Honda Civic Overheating While Idle: Causes + Fix

There are a few reasons why your Honda Civic 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

Honda Civic:  P0068 MAP/MAF Throttle Position Correlation

P0068 in the Honda Civic 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 Civic’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

Honda Civic: Engine Smoking Causes + Diagnosis

A smoking engine is a serious thing.  If your Honda Civic’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 Civic’s engine would smoke include overheating, burning oil, or … Read more