Honda Insight P1399:  Random Cylinder Misfire

P1399 is a Honda specific diagnostic trouble code.  It means that more than one of your Insight’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 Insight P0452:  FUEL Tank Pressure Low Diagnosis

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

P2189 is a DTC code that can occur in your Honda Insight.  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 Insight P2187:  Bank 1 A/F Mixture Too Lean”

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

Honda Insight Overheating While Idle: Causes + Fix

There are a few reasons why your Honda Insight 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 Insight:  P0068 MAP/MAF Throttle Position Correlation

P0068 in the Honda Insight 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 Insight’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 Insight: Engine Smoking Causes + Diagnosis

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

Honda Insight:  Bad Sway Bar Links (Common Symptoms)

Sway bar links are responsible for connecting your Honda Insight’s sway bar to the chassis.  The job of a sway bar is to eliminate body roll by helping the tires keep better contact with the road, which improves the handling characteristics of your Insight.  If you have a bad sway bar link, your vehicle will … Read more

Honda Insight Shuts Down While Driving (Common Causes)

If your Honda Insight is shutting down while driving, it’s a real safety hazard.  Vehicles are a lot harder to control without power brakes or steering. Below is a list of the most common reasons your Insight would randomly die while driving.  Before looking at anything, is the check engine light on?  If it is, … Read more