5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Fuel Pump Primes but no fuel at the rail

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Old Jul 25, 2010 | 08:52 PM
  #1  
mrpflum's Avatar
mrpflum
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Joined: Apr 2010
Posts: 6
Default Fuel Pump Primes but no fuel at the rail

My car is a 95 GT 5.0 with few mods however, the motor cranks like a champ but it wont fire, new TFI, Coil, Dist cap and rotor new plugs and wires.

(Fuel spark and compression), car was running fine on Friday

I checked the fuel at the rail and nothing came out of the spout, the strange thing is, my fuel pump primes, at least when I turn the key and wait for it to click on it does, is it possible for the pump to prime but not atcually pump anything up to the rail?

Thanks in advance for any advice!
Old Jul 25, 2010 | 09:59 PM
  #2  
mjr46's Avatar
mjr46
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Joined: Jun 2007
Posts: 30,869
From: West Virginia
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spray some ether in the intake and see if it fires up briefly, if so, check the filter for a restriction, if none suspect a faulty pump
Old Jul 26, 2010 | 03:52 PM
  #3  
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fordboy5.0
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Joined: Oct 2009
Posts: 140
From: colorado
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too much ether cracks piston rings use carb cleaner
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