Chevy Trailblazer P0452:  FUEL Tank Pressure Low Diagnosis

P0452 is a generic OBD II code that can occur in the Chevy Trailblazer.  It means that your Trailblazer’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

Chevy Trailblazer:  SVC Tire Monitor

Your Chevy Trailblazer is equipped with a tire pressure monitor system.  This system notifies you if the tire pressure is too low.  When you get the Service Tire Monitor warning, it indicates that there is a problem with the tire monitoring system itself.  Id does not mean that the tire pressure is (necessarily) too low. … Read more

Chevy Trailblazer Overheating While Idle: Causes + Fix

There are a few reasons why your Chevy Trailblazer 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

Chevy Trailblazer:  P0068 MAP/MAF Throttle Position Correlation

P0068 in the Chevy Trailblazer 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 Trailblazer’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

Chevy Trailblazer: Engine Smoking Causes + Diagnosis

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

Chevy Trailblazer:  Bad Sway Bar Links (Common Symptoms)

Sway bar links are responsible for connecting your Chevy Trailblazer’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 Trailblazer.  If you have a bad sway bar link, your vehicle will … Read more

Chevy Trailblazer Shuts Down While Driving (Common Causes)

If your Chevy Trailblazer 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 Trailblazer would randomly die while driving.  Before looking at anything, is the check engine light on?  If it is, … Read more