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Pontiac
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2002
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Firebird Base, 2D Convertible, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System Self-Diagnostics - 3.8L
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Diagnostic Tests
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DTC P0401: EGR Insufficient Flow Detected
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Conditions For Setting DTC
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Conditions For Setting DTC
The MAP changes monitored during EGR flow test indicate insufficient EGR flow.