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.

check engine lite

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Old 06-24-2009, 08:48 AM
  #1  
MustangAbuser91
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Default check engine lite

1991 Lx. 5.0 every so often the engine light will come on while cruising at highway speeds not beatin on it or anything..i understand this vehicle is ob1..anyway to make that check engine lite flash to pull the code out of it?
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Old 06-24-2009, 09:00 AM
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mjr46
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google DIY KOER by joel5.0
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Old 06-24-2009, 10:06 AM
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Joel5.0
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DIY KOEO/KOER self tests
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