1998 Chevrolet S10 Q&A

1998 Chevrolet S10 Question: P0300 (random misfire).

I change out wires,cap&rotor,pvc,fuel filter'air filter,and plugs -
Answer 1
Make sure you don't have any vacuum leaks, especially the intake manifold! -
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I change out the ignition coil;fuel filter, wires,PVC,plugs,rotor & cap and air filter,clean thottle body check for vacuumm leaks. the codes was reset after driving for about 20 miles check engine ...