P0455 Chevrolet - 1999 metro

Question

This code p0455 keeps coming and going off. Have replaced map sensor. Will manually clear and it comes back on in a few days. Please help.

Answer 1

P0455 Evaporatie emission system leak detected (gross leak)

This code is for the evaporative system , the first component to check is the condition of the fuel cap, or a missing fuel cap.

 Here a seal that typically wears out, on a fuel cap, this will set a P0455