Buick Encore P0457: EVAP System – Leak Detected
P0457 is a somewhat common trouble code with the Buick Encore. This code references a number that is given to you when you plug your Encore into a OBDII scanner. P0457 Indicates that there is a leak in the Evaporative Emission Control (EVAP) System. It is similar to P0455 (large leak) and P0456 (small leak) … Read more