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.

Miss Fire, HELP!

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Old 02-22-2009, 10:51 AM
  #21  
1989mustang5.0
 
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i had a problem like that and it ended bein a little out of time and that my harneses for my injector had a broke wire in it some where changed those and it sloved my probs
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Old 02-24-2009, 11:18 PM
  #22  
Night Terror
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Originally Posted by 1989mustang5.0
i had a problem like that and it ended bein a little out of time and that my harneses for my injector had a broke wire in it some where changed those and it sloved my probs
hmmm its a bit cold out, my car still does this, i have a new 02 sensor harness im waiting on a nice somewhat mild day to throw on, and i am going to re-gap my spark plugs and up my Fuel PSI

i had my PSI at 42psi vac off and lowered it to 38psi, also had my gaps at .55 and lowered to .45

gonna put the psi back to 42ish, and gap to around .50
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Old 02-25-2009, 10:30 AM
  #23  
Jerome99
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my random miss was the salt and pepper plugs in the back of the motor i cleaned them out and spread the mail connectors a little, it hasn't missed since.
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