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  • 1996 - 2004 SN95 Mustang -General/Talk-
  • SN95 4.6L Mustang Tech

fuel pump problem

  • Thread starter Thread starter bump14
  • Start date Start date Nov 10, 2010
B

bump14

New Member
Nov 7, 2010
8
0
0
Nov 10, 2010
#1
  • Nov 10, 2010
  • #1
fuel pump went out on 01 gt. put a new fuel pump in and after about 4 times of starting the car the brand new quit. its was a 255 not the stock pump. What could be my problem here? Dont want to keep buying and replacing pumps.
 

wmburns

SN Certified Technician
Aug 14, 2009
5,892
514
204
Houston Texas
Nov 10, 2010
#2
  • Nov 10, 2010
  • #2
The 99-04 model years use a Fuel pump driver module (FPFM). It works by varying the voltage to the pump to get the desired pressure. That is how a return-less system works.

Not all pumps are compatible with a FPDM.

Is the replacement pump compatible with a FPDM? If not, it will have a short service life.
 
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