4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

low fuel pressure

Old 10-04-2009, 07:33 PM
  #1  
forpointsick
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Default low fuel pressure

my car sputters around 2200 rpm for the first minute of driving i just put a 03 cobra duel pump in i checked my fuel pressure and only have 25 pound and after a couple minutes it leaks down to 0
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Old 10-04-2009, 07:46 PM
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socalwrench
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Default

If you've verified voltage to the pumps- then it could be a fuel pickup issue. If the pumps can't pickup enough fuel they will starve quickly.

Odd that they would both have problems though. Check all the lines and electrical connections.
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