i have 99 stroker and it will turn over and spin really fast batteries are good hpop is full of oil new cps. scanner said exaust back pressure malfunction. any ideas out thier thanks

 

how many miles does it have on it?
while you are cranking does the oil pressure gauge in the cluster move up?
do you have good fuel pressure?
when was the last filter change?
when was the last time it was running?
did this happen all of a sudden?
have you done anything different that could have caused this like put a programmer on it or remove one?

 

well it always had ran fine up till a couple weeks ago it was real cold it wouldnt start so i put new glow plugs in and ran fine for about 30 minutes then service eng came on went to missing the it just quit and that was it the electric fuel pump is working ful filter is fine and i did have an evolution after it died i took it off but didnt make any difference it has 220k.but i had it all apart 10k ago everythinglooked well i did a head job with new valves. thanks yes iol guage does come up

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also i get a code says pcm failure [kam] keep alive memory error.