I have a 1998 v6 3.8, I had a problem with this a couple of years ago when it was just shutting off for no reason and with the help of this forum, we found out it was the crank shaft positioning censor, changed that out and it ran great....that is until the motor blew....I put a remanufactured motor in it, ran great for 2000 miles, even though the entire time the ck engine light was one, at this time it was showing cam shaft position censor, it was replaced twice, this car just shuts off and everytime it does. it will throw a different code, like o2 censor code, then crank shaft positioning censor, all of these have been ckd and they are fine, we replaced the ingnition control moduler along with coil packs which by the way burnt up in front of the shop, still no fire, it can sit for a while and then it will crank, then run like crap and shut off and show a different code, today my mechanic replaced the pcm or ecm whatever you want to call it, the car ran great for about 5 minutes, then shut off and has no fire in it whatso ever, they are very tired of working on this car at this point and are out of ideas, after the motor was installed, I had it at another shop and he replaced the lifters in it, I don't know if he messed up something with the wiring or not, again we have replaced everything they can think of but still have no fire, can anyone help ? I am at the point that I would love to trade this in but I can not keep it running long enough to get it to a dealer.... help if you can

 

full insurance, some 89 octane and a lighter.