PO488 EGR airflow throttle control circuit performance - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 07-02-2010, 06:50 AM Thread Starter
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PO488 EGR airflow throttle control circuit performance

PO488 EGR airflow throttle control circuit performance , turner is reading this code anyone know what it is? came on right after i put on my S&B cold air with a CFM elbow!

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post #2 of 2 Old 07-02-2010, 03:37 PM
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Does your truck have an actual throttle plate or a 'dummy' one?

Unplug it and see if there is any pins in the connector. Or perhaps you unplugged it inadvertently during your intake install

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