ok 2002 gp 3.1 motor bought it cheap because it had a busted front exaust manifold . 2 bolts broke off in the head. drove it home 33 miles, drove fine other than sounding like a lawn mower.. next day got new exhaust gaskets started it up to let my buddy lol at it. then killed it ......let me say getting the front exhaust off is a pita i got both bolts extracted and the exaust re installed the next day and it started and ran for maybe 2 seconds now all it will do is hit and run for 2 seconds at a time have checked the plugs new, wires new, fuel is at 60 psi on the rai.l and im getting spark but it will not run