Question about 1987 Ford Mustang

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I have a 1987 mustang gt, when I turn the key on the fuel pump comes on but will not shut off, and the car wont start. Can you point me in the direction I need to go?

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Fuel filter or fuel pump pressure regulator,if this does fix it then its the fuel pump itself

Posted on Jan 26, 2009

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Posted on Jan 02, 2017

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1987ford mustang replaced alternator started up a few times now car wont start makes aclicking sound when i turn the key over i replaced the starter,battery,cable ends, car still wont start fuel pump...


I'm leaning towards your TFI module on the Dizzy. They get hot from engine and are a known issue by ford. I included a picture of what the TFI or ignition module looks like in your Stang. Be sure to tell the store clerk if you have a auto or manual when you purchase one Good Luck Ryan MN
1987ford-mustang-replaced-alternator-aqaa0puwxusnvnuiqyeabbpl-2-0.png

Jul 08, 2014 | 1987 Ford Mustang

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03 mustang gt turns over but won't start


Try shooting some starting fluid in air cleaner housing. If car starts, then shuts off after burning off starting fluid then you more than likely need a new fuel pump. But also be sure to check fuel pump fuse and relay. Hope this helps

Feb 24, 2013 | 1992 Ford Explorer

1 Answer

95 GT mustang wont start


You ran the car out gas and there's air in the system.. Not the Throttle Body.. Expel the air from the system.. 1. Raise/Support your hood.. 2. Turn your key to the ign position, (listen for the fuel pump to come on).. 3. Go to the fuel rail(s) and press the Schrader Valve, (looks like a tire air valve), until only fuel comes out.. (use safety gear, especially for eyes) 4. Rinse/Collect excess fuel before cranking (careful around electrical connections)

Feb 02, 2013 | 1995 Ford Mustang

1 Answer

What's your problem?Hi I have a 90 convertible mustang 5.0. My problem is the fuel pump wont shut off when you turn key on. It runs and runs and car wont start. Ive checked all injectors, changed


Dear Charlie,
May I suggest you take the car to a good (old?) mechanic and have it "changed?".
Right now the fuel pump is hooked to the battery directly, which is why the pump will not turn off.
Please have him hook the pump up so it only runs when the ignition is on.
God bless your efforts.

Sep 07, 2017 | 1990 Ford Mustang

1 Answer

I cannot get power to fuel pump on my 94 mustang gt...car died sudden while driving and the fuel pump will not cut on..only testing votage at 1.90volts when keys is turned on..i tested fuel pump..its runs...


When you turn the key on it will only energize the fuel pump relay for two seconds , or until you crank the engine over . The PCM - engine computer controls the fuel pump relay . Watch this video
Fuel Pump Electrical Circuits Description and Operation

Nov 19, 2017 | 1994 Ford Mustang

1 Answer

I think i ran my mustang gt out of gas,i just got this car today from a good friend.It was idling in the drive way and then died without warning so i think it ran out of gas according to the guage!I put...


You need to make sure you put in AT LEAST 2 gallons of gas, more if the car is not level. It might take a few cycles of the key to get the fuel line primed again. A full cycle is Off-On-Start. When you turn the key to on, listen for the fuel pump. It should run for a few seconds and then shut off, turn the key to start for a few seconds and then back to off... This will have to be repeated several times. You should be able to hear the fuel pump from the drivers seat. I will be a faint hum or hiss coming from the back seats.

Sep 27, 2010 | 1995 Ford Mustang

1 Answer

Car ran fine one day, not it will crank but not


Your fuel system requires 35-45 PSI. If you don't have this pressure in the line then your fuel filter or fuel pump is at fault.

Jun 11, 2009 | 1987 Ford Mustang

1 Answer

Cranks but wont start


you have answered you own question bruv change remove the fuel pump and inspect

Mar 06, 2009 | 1987 Ford Mustang

3 Answers

1988 ford mustang fuel system


I had two vehicles in the last month do this and when i dropped the fuel tank the rubber line in tank between the pump and pickup tube was broke not alowing fuel to be sent to engine

Sep 26, 2008 | 1988 Ford Mustang

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