Engine Mechanical problem
2000 Chevy Venture 6 cyl Front Wheel Drive Automatic 150000 miles

driving van on high way got off on an exit started to stall punched gas to make it in to parking lot van died tried restart sounded like it was out of gas replaced fuel pump old one sounded intermitin and fuel presseure not high enough motor starts runs like crap for a few secounds then dies then sounds like its cranking againts compression struggling get a back fire though intake once in a while then it will fire and stop the motor from cranking tried a new cam sensor still same allso getting a strong smell of gas in oil thought about changing crank sensor but still get the hard cranking i think this motor has the nylon timing gear but not for sure could it have jumped timeing please help any ideas will be used Oh and allso new plugs and wires and o2 sensores less then 1000 miles ago and water pump and fuel fillter and fuel pressure regulator ****help*** junk yard is next for it