One of the most common issues that happens with the GMC Envoy 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
This page is meant to help you troubleshoot the GMC Envoy 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
One of the most common trouble codes with the GMC Envoy is P0171. It indicates that your GMC Envoy 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
A trouble code is a signal that is generated by an automatic transmission system whenever it detects an issue in the GMC Envoy 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