ironhead65

have a question, on 07 f150 5.4. when I really get on the gas, it wants to cut out some but if I ease the gas it will not and run fine. I have changed the fuel filter and air filter. could my fuel pump be getting week?

powerranger262

Up under the spare tire is th3 Fuel Pump Driver Module (FPDM). Drop your spare and take a look at it. They tend to corrode out, and let moisture in.
After that I would be looking into changing your plugs. Do some research on the plug change on these trucks, if you haven't already.
How many miles are on the truck?

ironhead65

thanks I will take a look at it. I changed the plugs last year. they are those 2 part pugs.

kenv47

Could also be sign of a bad coil pack/s. I would check them.

ironhead65

I'm not showing a code when I check it.