4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Need help diagnosing an on going problem

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Old 11-23-2007, 08:49 AM
  #11  
Brute03
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Default RE: Need help diagnosing an on going problem

ORIGINAL: FDNYBullitt

If you take off the fuel rail with the injectors still in it and turn on the key, it willleak alright,all 4 injectors are gonna fly across the room because theres nothing to hold them in place, so lets not try that one, good luck.
ehh, no. i've done this before and so have many other people, 40psi isn't enough pressure to dislodge them while KOEO
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Old 11-23-2007, 09:51 AM
  #12  
kingofqueenz
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Default RE: Need help diagnosing an on going problem

just spoke to my mechanic, he said he is going to pressure test the cylinders....is this a valid way to check for a blown head gasket?
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Old 11-24-2007, 05:18 PM
  #13  
kingofqueenz
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Default RE: Need help diagnosing an on going problem

well the white smoke went away now, must have been alot of condensation or something....my coolant and oil is fine....the mechanic said me having to add a quart of oil is fine since its been about a 1.5 month since i changed it.....i checked hte injectors and only one was spraying right....the others are all clogged and just dripping so this is def. the cause of my horrible gas mileage.....im giving fuel injector cleaner a shot to see if that works....otherwise how much would new injectors cost?
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Old 11-24-2007, 05:36 PM
  #14  
99BlackPonyGT
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Default RE: Need help diagnosing an on going problem

its like $45 a piece from autozone
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Old 11-24-2007, 06:16 PM
  #15  
livefast1
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Default RE: Need help diagnosing an on going problem

ORIGINAL: FDNYBullitt

If you take off the fuel rail with the injectors still in it and turn on the key, it willleak alright,all 4 injectors are gonna fly across the room because theres nothing to hold them in place, so lets not try that one, good luck.
who said to do that?
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