Thread: starting/ warm idle issues
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Old 12-24-2009, 11:36 AM   #3
Blue)(Fusion
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Re: starting/ warm idle issues
Did the 89s have the 5.0L? I'm not too familiar with that engine, but I'd start with the EGR system. If the EGR valve is stuck open or commanded open when it shouldn't be it will stumble at idle and light acceleration.
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