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.

wont start. fuel/no spark

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Old 03-03-2007, 08:51 PM
  #11  
Goosepoop302
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Default RE: wont start. damn

yeah tryed that adn nothing but im getting more and more lost as this goes on cause its jsut more **** ot check.
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Old 03-03-2007, 08:54 PM
  #12  
PONY GUY
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Default RE: wont start. damn

well you could pull the line before or after the fule filter and have some one turn the key to the on postion to see if fuel comes out . If its a part issue you can get a spark tester (goes in between the plug and plug wire ) and try each cylinder plug and wire you can also try it between the cap and wire and coil and distubuter . Its kinda time consuming and tedious but at least you'l be100% sure you eliminated all possible causes
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Old 03-03-2007, 08:56 PM
  #13  
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Default RE: wont start. damn

can i do that with a volt meter or will it not register through the insulation of the wire?
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Old 03-03-2007, 09:13 PM
  #14  
marx91
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Default RE: wont start. damn

no thats high voltage coming through there, do you still have stock ignition?
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Old 03-03-2007, 10:07 PM
  #15  
Goosepoop302
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Default RE: wont start. damn

new cap and wires. the coil is still good i checked that but maybe the box is bad?
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Old 03-03-2007, 10:15 PM
  #16  
15austin
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Default RE: wont start. damn

If you here the feul pump come on, and barely comming out of the schrader could be the rubber hose in the tank came off the pump(connectes the pump to the feul line). Check at the filter like said above first. Check the spark by taking the plug wire off and put an old plug in the wire and crank, it should light up like a fire cracker. If you put a gauge on the feul line it should go right up to 35-40 psi just by turning on the key.
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Old 03-03-2007, 10:38 PM
  #17  
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Default RE: wont start. damn

alright well i think im going to try and get under the car tomarrow hopefuly have more luck. not sure if i read it right but was a suggjestion to unhook the filter and turn the car on? if so i think that sould be pretty easy way to check.
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Old 03-03-2007, 10:41 PM
  #18  
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Default RE: wont start. damn

no Unhook the line AFTER the FILTER and see if it comes out when the Key is on if it does you know to look for a pinched line or a clogged fuel rail
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Old 03-04-2007, 05:59 AM
  #19  
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Default RE: wont start. damn

alrighty then hope i can do that without a mouth or faceful of gas haha.
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Old 03-04-2007, 11:30 AM
  #20  
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Default RE: wont start. damn

I would strongly recommend NOT opening up the line and turning the car on without a bucket or catch pan to run the fuel into. Using a piece of 3/8" hose attached to the end of the filter and run into a bucket would be the best thing to do.

SAFETY FIRST GUYS!!!!

Also, If you are not getting any spark, do not suspect the TFI module. It is uncommon that the SN-95 modules go bad. The fox modules were poorly designed and located in a bad spot. Fox modules were prone to overheating and going bad. Our modules however, are located on the firewall and have a rather large heatsink on them. If you cant egt spark AT ALL, suspect your distributor.
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