crank no start

I dont know if it's been posted before but I have a 2004 chevy tahoe lowered on a 4/6 drop that keeps tearing up flex plates. I replaced it with a heavy duty one and now it wont start. the dash read out for distance to empty shows 3 dashes and fuel gauge shows empty but I know there is at least...

OK so I was driving my 2dr 99 Tahoe 5.7 when the car cut.off and died...I had a shade tree mechanic come look at it and diagnosed it as a bad crank sensor...so I replaced it only to not have the truck to start...was told to check coil for spark and got nothing so went to local junkyard put it in...

I have a 96 Tahoe, 4x4 5.7L that will crank but not start. Leading up to this point, there was a few mornings where the truck would start, but when it did, it was as if there was a weak start when she did fire. I am not a mechanic so I apologize if this is confussing. When the truck did...