Chevy Impala: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Chevy Impala.  By themselves, these are some of the most common OBD2 codes.   When they appear 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 Impala:  Clutch Slipping → Diagnosis

Your Chevy Impala’s clutch provides a direct connection between the engine and transmission.  Without it, it can’t move at all. This connection requires a tremendous amount of pressure.  This guide is intended to help you determine why your clutch is slipping on the flywheel. Note:  This article is for manual cars only.  Here’s the automatic … Read more

Chevy Impala:  Hard Shift Diagnosis

One of the most common automatic transmission problems is shifting hard.  If your Chevy Impala has a hard shifting transmission is not only can be uncomfortable to drive, it can be a sign of some serious problems.   Transmission Shifting Hard Diagnosis:  Chevy Impala Here is a list of practical things that most people can … Read more