When I step on the gas sometimes the truck seems like it is flooded. It sputters and then seems to drive through it and its fine. I have replaced the fuel pressure regulator, fuel pump, fuel filter so I am really unsure what to do next.

 

Try pulling codes....and test your TPS.

 

no codes comes up 11 pass code, what's a tps?

 

Throttle position sensor....if it didn't come up chances are nothin's wrong with it but test it to be sure.....this writeup is for a single bore throttle body but it's exactly the same. http://www.f150online.com/forums/lig...ttle-body.html

 

Which test. key on engine off or key on engine running?

Remove, clean, reinstall & test !AC as per link instructions:
Ford Fuel Injection Idle Air Bypass (IAB)

 

Why do I ALWAYS forget about the IAC....dangit.

 

Not the only potential culprit though. Hanging injectors, combustion chamber buildup to name a few.

Seafoam! How to Seafoam an Eighth Gen F150 (1987-1991) - Ford F150 Forum - Community of Ford Truck Fans

 

Wow, that article on the seafoam is great, i wonder what other equivalents there are to seafoam, as i've never seen that product/brand around here?.

 

Noting that I'm aware of.
Just ask for it. Everybody carries it.

 

wow thanks guys. I haven't checked back in. I will check both the tps and the aic. I did the key off test, not key on. The truck also ran out of gas yesterday, do you think that could have something to do with it?

 

Encho <-- lives waaaay down south

 

Wow, I guess so! How about over the internet from on of these companies?

http://www.seafoamsales.com/where-ca...-products.html
Check out the whole site when you go to this link!