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.

Power loss on 91 5.0

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Old 08-02-2004, 06:49 PM
  #1  
Red_Hatchback
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Default Power loss on 91 5.0

I have had my mustang for abut 5 years I changed the fuel pump (To a 155 lph) and filter six months ago and just resently I have no power, Even when taking off from a light it almost dies from lack of power PLEASE HELP!!!!!! that is the only mod on the car.

Any suggestions please
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Old 08-02-2004, 07:19 PM
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91LXmustang
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Default RE: Power loss on 91 5.0

clean the injectors, get new plugs, make sure the filers arent clogged or jammed wrong.
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Old 08-02-2004, 07:24 PM
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Red_Hatchback
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Default RE: Power loss on 91 5.0

Hey thanks for responding to my thread,

I have replaced the injectors with no change could it be just fuel or computer????? Check engine light is not on.

Thanks for the info
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Old 08-03-2004, 04:06 AM
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bobby
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Default RE: Power loss on 91 5.0

what soze injectors?
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Old 08-03-2004, 01:14 PM
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Red_Hatchback
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Default RE: Power loss on 91 5.0

Stock 19lbs injectors



This is car is the RED BARRON at firebird raceway.
It is a LX Hatch back RED in color. I run mid 14's the only mod I have is the 3:73 gears wow what a differtence from stock. Tires are stock can't wait until I get slicks I don't get traction untill 3 gear.(T-5)

I now have the racing bug
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Old 08-03-2004, 05:52 PM
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vfast
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Default RE: Power loss on 91 5.0

check the fuel filter/ and timing
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Old 08-03-2004, 07:37 PM
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bobby
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Default RE: Power loss on 91 5.0

how can u run mid 14s with just gears!
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