Chevy Suburban P0452:  FUEL Tank Pressure Low Diagnosis

P0452 is a generic OBD II code that can occur in the Chevy Suburban.  It means that your Suburban’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 Suburban:  SVC Tire Monitor

Your Chevy Suburban 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 Suburban P2187:  Bank 1 A/F Mixture Too Lean”

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

Chevy Suburban Overheating While Idle: Causes + Fix

There are a few reasons why your Chevy Suburban 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 Suburban:  P0068 MAP/MAF Throttle Position Correlation

P0068 in the Chevy Suburban 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 Suburban’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 Suburban: Engine Smoking Causes + Diagnosis

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

Chevy Suburban:  Bad Sway Bar Links (Common Symptoms)

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