check engine light on had tune up had o2 sensors changed and fuel pump changed on 1997 Dodge Ram Van 1500

when i drive on the road for some distance it will start to missfire had engine changed diagnostic code shows that all cylinders misfires

by in Philadelphia, PA on April 05, 2010
1 answer
ANSWER by , April 06, 2010
have the crank and cam sensors checked for syncrozation. a 300 random missfire usually indicates a crank sensor. Roy