1998 Chevrolet S10 Q&A
1998 Chevrolet S10 Question: P0300 (random misfire).
Make sure you don't have any vacuum leaks, especially the intake manifold! - Bret Bodas
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 ...