the codes it is throwing now are po420, po340,p1351 and now it starts and runs fine minus the codes being thrown

so i checked the fuel pressure and it is good and watched the video and everything is good. van is now starting but still having the misfire code and ignition mod code thrown not sure what it could be and all spark related parts are new twice over i am starting the van and letting it run and cool do...

so in my resent post i was having misfire issues and had taken it to a shop and drove fine for a day now my 99 safari will not start at all it turns over has spark has fuel has brand new cap rotor plugs wires coil ignition mod that was put on Friday got it back from the shop sat and drove it all day...

ok so i thought i fixed the random misfire but it still runs rough on the freeway and still cuts out the factory speakers when im driving so far the engine light has not come back on could it be a ground?

Thank you all for the help I replaced the coil and ignition mod just for good measure and so far so good

i have a 99 safari that has been throwing a p0300 misfire code and cam to crank fault code. i replaced the cam and crank sensor witch seemed to get rid of the cam to crank fault code but i cant seem to get rid of the misfire. i have replaced the plugs,wires,cap and rotor. and it still misfires when ...