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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
Flashing CEL but no code stored.
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<blockquote data-quote="Shaun@AED" data-source="post: 15355683" data-attributes="member: 32381"><p>Perform a Crank Relearn ASAP!</p><p></p><p>Flashing CEL over 4000RPM at part throttle indicates the ECU needs to learn the position of the crankshaft and crank sensor.</p><p>These ECU's default STOICH at WOT in these instances (unless you have a tune that changes this default like I do), so this is a dangerous situation to be racing the car with.</p></blockquote><p></p>
[QUOTE="Shaun@AED, post: 15355683, member: 32381"] Perform a Crank Relearn ASAP! Flashing CEL over 4000RPM at part throttle indicates the ECU needs to learn the position of the crankshaft and crank sensor. These ECU's default STOICH at WOT in these instances (unless you have a tune that changes this default like I do), so this is a dangerous situation to be racing the car with. [/QUOTE]
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2011-2014 Mustangs
Engine/Tuning
Flashing CEL but no code stored.
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