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Home >> Chevrolet >> 2001 >> Prizm Base, Automatic, A245E/MS7 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 1.8L >> Diagnostic Tests >> DTC P0505: Idle Control System >> Code Enable Criteria
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Code Enable Criteria

DTC will set when engine is running and PCM determines that the actual idle speed varies greatly from the desired idle speed.