i have a 1995 F150 reg cab 2wd 4.9l. my truck has the 2 gas tanks ( i think all they all did) and the gauge on the front tank does not work. that is the only prolem i have with the front tank. the rear tanks gauge however does work but it is draining into the front tank. i am assuming that a return valve is messed up or something. i am going away to college at the end of Aug and would like for my truck to be perfect before i leave.

thanks for any help yall can give.

 

good luck on that one bud. i had more or less the same thing happening on my 92 5.0 f150. ended up selling it. replaced both in tank pumps and everything and it was still messing up.......

 

Replace the front tank FDM complete and it'll solve both problems. Click the black Bronco below & look in the EFI Fuel Pump album.

 

My 90 does the same thing.
Has for a long time.
I just fill up both, run the front until it sputters, flip to the rear, run till it fills the front tank, then I know to fill up again.

So what is the "FDM"?

 

Fuel Delivery Module.
The front one is FUBAR.
The level sender isn't working and the shuttle valve is leaking. Neither is available separately and the shuttle valve needs to be replaced. When you install the new FDM be very sure to test for a signal on the sender before you button everything back up. There could be a lose wire or a bad ground which the new unit wouldn't fix.

 

 

Hey thanks!
That was a very clear answer to my question.
Dave

 

should i go through the dealership or somewhere like LMC ?

 

Somewhere like NAPA or even AutoZoo.

 

AFAIK, there is no aftermarket FDM - just the pump motor. I think it's either a dealer or an authorized MotorCraft retailer/e-tailer like RockAuto.com or TeamFordParts.com .

 

thanks for all the help guys