P0300 (random misfire). on 1998 Chevrolet S10

I change out wires,cap&rotor,pvc,fuel filter'air filter,and plugs

by in Friendswood, TX on February 10, 2009
1 answer
ANSWER by on February 10, 2009
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 ...

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