2003 Ford Mustang pulling fault code

Tiny
KEBO
  • MEMBER
  • 2003 FORD MUSTANG
Computer problem
2003 Ford Mustang V8 Two Wheel Drive Automatic

does check engine light have to be onto pull codes
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Wednesday, December 3rd, 2008 AT 8:14 PM

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Tiny
DAVE H
  • EXPERT
No. There could be codes pending without the light being set? Generally if you have a powertrain fault. Ie. Rough running the light will come on and stay on. If the fault is intermittent it may flash the light. Then stay off for a while. But the code will still be stored. The CEL doesn't stay on untill the PCM has picked up the same fault 2/3 times?
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Wednesday, December 3rd, 2008 AT 8:16 PM

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