ScanFixAI
FeaturesPricingDTC CodesCompareDownload
Home › DTC Codes › P0506

P0506 — Idle Air Control System RPM Lower Than Expected

Engine idle speed is lower than PCM is commanding.

Severity: MediumRepair: $0-$400Difficulty: Easy

Don't guess — diagnose P0506 the right way

ScanFixAI reads every module, finds the real root cause, and tells you exactly what to check.

Download ScanFixAI Free

Common symptoms of P0506

Common causes of P0506

Repair cost & difficulty

Typical cost to fix P0506: $0-$400 · Difficulty: Easy

Pro tip: Clean the throttle body. Carbon buildup restricts airflow at idle.

Vehicles commonly affected

All makes

Related trouble codes

P0505P0507

© 2026 ScanFixAI · AI-powered car diagnostics. All trouble codes · Home · Compare

ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.