Oldsmobile Silhouette P0174: Meaning, Causes, How to Fix

One of the most common trouble codes with the Oldsmobile Silhouette is P0174. It indicates that your Oldsmobile Silhouette is running lean on the bank two side of the engine.  P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. If they appear together, it reduces the list of … Read more

Oldsmobile Silhouette P0172: Fuel System Rich – Bank 1

A common trouble code with the Oldsmobile Silhouette is P0172. This code number references a number given to you when you plug your van into an OBDII scanner. It’s not the most complicated OBDII trouble code to diagnose. It is also one of the most common. It means the motor is running rich. Oldsmobile Silhouette … Read more