Chevy Trailblazer P0442 Engine Code: Causes + How to Fix

One of the most common issues that happens with the Chevy Trailblazer is the P0442 trouble code. This code appears when connecting the vehicle to an OBDII scanner and pertains to the emissions system.  While it’s unlikely to cause a breakdown, it can be bothersome and may result in a failed emissions test for your … Read more

Chevy Trailblazer P0420: Meaning, Causes, + How to Fix

This page is meant to help you troubleshoot the Chevy Trailblazer P0420 trouble code. It covers the P0420 code’s meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Table … Read more

Chevy Trailblazer P0700 Code: Meaning, Causes, + How to Fix

A trouble code is a signal that is generated by an automatic transmission system whenever it detects an issue in the Chevy Trailblazer that requires your attention. The P0700 code is a general code that is typically accompanied by another code that specifies the specific problem. This code is part of the OBDII system and … Read more

Chevy Trailblazer P0171: Causes, Diagnosis, + How to Fix

One of the most common trouble codes with the Chevy Trailblazer is P0171. It indicates that your Chevy Trailblazer is running lean on the bank one side.  It’s the most common air/fuel mixture-related code. It’s not the most complicated OBDII trouble code to diagnose. It is also one of the most common codes. The most … Read more