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

Chevy Avalanche P0171 and P0174 Code Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Chevy Avalanche.  By themselves, these are some of the most common OBD2 codes.   When they are together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning … Read more

Chevy Silverado P0171 and P0174 Trouble Codes

P0171 and P0174 both indicate that there is a lean condition present in your Chevy Silverado.  By themselves, these are some of the most common OBD2 codes.   When they are together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning … Read more

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

One of the most common trouble codes with the Chevy Silverado is P0171. It indicates that your Chevy Silverado 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