i have a 2003 chevy suburban 5.3 liter..bogged it down got the converters hot.. since then been runnin rough..found i had blowed head gasket..fixed that and numerous other electrical components..
problem now is diagnostic shows m.a.f. problem..replaced that twice..replaced plug wires twice..and its still fouling out my plugs..no power..and bogs out when u give it gas??