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.

Won't start

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Old 07-18-2009, 05:08 PM
  #1  
92tealcp
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Default Won't start

I am no dummy when it comes to 5.0s but I am stuck on this one. Ran when parked. Removed trans, bell, clutch. Removed upper plenum, water pump,P/S pump. Installed my Vortech with powercooler,new plenum gaskets, reinstall upper, new water pump, aluminum flywheel, clutch, new/rebuilt trans. Car is all back togeather. Timing 10deg, fuel pressure 42lbs. has spark at coil and plugs. Injectors are firing as by my noid light. Checked and rechecked all connections and grounds all good. Cranks fine but it does that, I think I can start BS only when the pedal is on the floor. I can crank outside the car and can look at everything. All looks and seems ok. Only thing I changed is the location of the Maf to the fender, I rewired the maf harness and checked that too all the wires are connected and wired correctly.

THIS SUCKS
I have built over 15 5.0s over the years and this is the first one to totally stump me.


I was going to go to the show tomorrow but not now unless I get it running.
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Old 07-18-2009, 05:21 PM
  #2  
5.0 85 GT
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is the car cranking over but not hitting? if not then i would try the clutch sensor, it might not be able to sense if the clutch is depressed or not...idk if that helps, but i would try other small stupid things liek alternator connections, distributor, plugs wires, but i know you said you are getting spark and fuel....goodluck with it!
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Old 07-18-2009, 05:41 PM
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02WhiteGTVert
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Make sure you check all your vaccuum lines. more than once i have caught a line or two between the upper and lower intake when putting the intakes back on. can you get it to hit with starting fluid?
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Old 07-20-2009, 06:45 AM
  #4  
92tealcp
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Default Really F@##en stupid

Well I found the problem I new it was something stupid. I pulled the intercooler off and found the plastic bag I stuffed in the hole to keep it cleen while I was working on the car. Dho Runs like a raped ape.
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Old 07-20-2009, 08:33 AM
  #5  
projectresto83
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Well at least you didnt get it sucked into the motor.
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