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.

CEL question

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Old 10-04-2008, 01:28 AM
  #1  
FuzzyDiceRule
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Default CEL question

i drove it down to get the tailpipes fabbed up (looks amazing, they did an awesome job) but anyways, it didnt get above 180 degreees, but it seemed like when it leveled out, the check engine light came on. it was running fine, except sometimes when it idled it would start running a little rough, and one time it died.

what would cause the CEL to come on when the car is warmed up?
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Old 10-04-2008, 06:43 AM
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Joel5.0
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Run the DIY KOEO/KOER self tests.
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Old 10-04-2008, 10:57 AM
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15austin
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I took that CEL bulb out 7-8 years ago. Aint been on ever since, lol.
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