GMC Sierra P0420: Meaning, Causes, + How to Fix

This page is meant to help you troubleshoot the GMC Sierra 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 Cobalt P0420: Meaning, Causes, + How to Fix

This page is meant to help you troubleshoot the Chevy Cobalt 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

P0420 Code Chevy

One of the most common trouble codes with all Chevy vehicles is the P0420 code. This code number references a number that is given to you when you plug your Chevrolet into a OBDII scanner.  It doesn’t matter which model you have, the P0420 Chevy OBDII code has the same meaning.   P0420: Catalyst System Efficiency … Read more

Cadillac CTS 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 Cadillac CTS 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 Sonic 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 Sonic 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 Express 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 Express 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 Equinox P0171: Causes, Diagnosis, + How to Fix

One of the most common trouble codes with the Chevy Equinox is P0171. It indicates that your Chevy Equinox 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. Vacuum leaks … Read more