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P0506Powertrain (P)generic

Idle Control System RPM Lower Than Expected

Your engine is idling below the target speed that the computer expects, running slower than it should when you're stopped. Common causes include vacuum leaks, a faulty idle air control valve, or dirty fuel injectors. This can lead to stalling, reduced power steering assist, and poor drivability when stationary.

No detailed repair guide linked yet. Check back soon or search for related issues.