We have a 2001 3.0 v6 2wd U vin type Ra

We​​​​​We have replaced the timing chain cover gasket and water pump to fix an antifreeze leak. We've also replaced the drivetrain belt and tensioner pully... cause well the pully was going and the belt got shreaded on our test drive.

Now, when driving the truck it would sometimes stutter and shut off. We sometimes have a difficult time restarting. We would get a P0305 cod... So we changed the spark plugs and wires. Truck would run great, and then just stop. So we replaced the fuel filter and put Lucas fuel injector cleaner with a full tank of gas, and replaced the gas cap.

We thought we fixed the problem...then the stalling started again...would run great for a few miles and then stall again several times within a couple blocks. I took off the gas cap, and put it back on, checked all plug wire connections, and the truck started again and we drove the 5 miles home with no issues.

Any ideas as to what this issue could be??? The last code reading had shown the hydraulic power steering pump...

Any help and suggestions would be appreciated!