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Home >> Pontiac >> 2002 >> Firebird Trans Am, 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 5.7L >> Diagnostic Tests >> DTC P0506: Idle Control System - Low Rpm >> Conditions For Setting DTC
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Conditions For Setting DTC

The actual engine speed is 100 RPM less than the desired engine speed for more than 8 seconds.