Sputter and stall (2002 z71 5.3 flex) 108Kmiles

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Vinniety

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The problem first started when i thought i ran out of gas. I parked in my driveway for about 10 minutes came out and truck would crank and not start. i had a quarter of a tank of gas at that time. I didnt have time to look into so i used my wifes truck. When i got home which was about three hours later I went to try and start it and it started. It ran fine no problem at all. I went to get gas just to make sure i didnt have a gas gauge issue. I filled it up and the gauge stated i was full. Checked over a few things, cleaned MAF, K&N filter, throttle body clean & fuel injector cleaner in the gas when i filled it up. Now almost two weeks later im driving on parkway and the truck sputters and stalls. I pull over and it will just crank but wont start. I looked over the fuses, relays and everything else i could on the side of the parkway and it started. Drove for a day fine then bang again. Sputter and stall. This time it happened every few miles until it didn't start anymore even waiting for 30 minutes. Towed it home went to bed woke up next morning BANG it started. Further research i thought maybe fuel pump. Went to dealer and bought an OEM fuel pump module. Installed that with a new fuel filter. Good for two days then bang again. Towed home again because waiting it out didn't work. Next morning truck starts HAHAHA.

What i have changed so far....fuel pump, fuel filter, throttle position sensor & MAF. Tonight i have to change crankshaft position sensor, cam position sensor and temp sensor.

I am not throwing items at the truck but from what i can read on line and talking to a few friends they are indicating it can be any one of them. The truck has never given me an issue so throwing a few new things to it isn't going to kill me. I rather it be dependable then not at all. I plan to keep it.

Please let me know if you experienced this issue and how you resolved it.

thanks
 

showtime1k

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im getting this issue right now. got code p0336. goin to change ckp sensor in morning. hope thats it. did brakes rotors drove around the block and cut off like out of gas. wtf
 

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