Pontiac Firebird P0404: EGR Circuit → Range/Performance
With the Pontiac Firebird, P0404 is going to have the same meaning as it would in any other vehicle. It’s a generic powertrain code that stands for: P0404: EGR Circuit → Range/Performance While there are several issues that can throw the P0404 code in the Firebird, the most common issue is either going to be … Read more