Diagnostic Aids
Fast idle and poor performance will exist when PCM is in back-up fuel. If DTC P0251 is also set, use scan tool on snapshot mode to properly identify fault. If air exists in fuel system (vehicle runs out of fuel), DTC could set.
Fast idle and poor performance will exist when PCM is in back-up fuel. If DTC P0251 is also set, use scan tool on snapshot mode to properly identify fault. If air exists in fuel system (vehicle runs out of fuel), DTC could set.