What is causing overboost alarms in my Diesel?

2006 JEEP LIBERTY
78,000 MILES
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GSD80547
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Get jeep up to 70 and try to pass, it will go into limp mode and loose power. Gives overboost code, but has no power at all. EGR valve and boost sensor replaced, so what could be the cause?
Jan 31, 2012 at 12:54 AM
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