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

misfire help

Old 11-19-2007, 06:05 AM
  #1  
97mustang17
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Default misfire help

i just changed my spark plugs gapped them to .054 and now the engine has a misfire on cylinder 2 i need to fix this by tomarrrow so i can get home for thanksgiving does anyone know what could be causeing this. thanks for the help
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Old 11-19-2007, 06:33 AM
  #2  
Sxynerd
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Default RE: misfire help

A few possibilities
You didn't properly Tq down the SP and it could be blowing the plug wire off the lead.
You just have a bad plug.
You pulled the PW and it stretched the wire and created a short.
Or
you fliped a couple wires around when taking them off.
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