FixVault
Home
›
Chevrolet
›
2002
›
Prizm Base, Standard
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Controls - Self-Diagnostics - 1.8L
›
Diagnostic Tests
›
DTC P0505: Idle Control System
›
Conditions For Setting DTC
Conditions For Setting DTC
PCM determines that the actual idle speed varies greatly from the desired idle speed.