P0302 CHEVROLET -

Question

1997 s-10 270000 miles just replaced intake gasket, spark plugs, wires, cap and rotor, new pcv, thermostat, valve cover gaskets, a few tims it had code po300 but lately just po302

Answer 1

Since you already replaced almost everything, the next step if performing a compression test. You could have a blow head gasket.