Electrical
Code P0506
Idle Speed Lower Than Expected
Plain English Meaning:Engine idle too low
⚠️
Yellow: Drive with Caution
May stall
P0506 Symptoms
- •Stalling rough idle
Most Common Causes of P0506
1Dirty throttle body vacuum leak
P0506 Repair Playbook
Required Mechanic Tests
A qualified shop should perform these tests before replacing any parts to ensure they aren't guessing:
Check idle speed clean throttle body
Typical Fix Paths & Estimated Costs
Repair intake system $100–$400
Fair Pricing Guides
Check our database for average parts, labor, and expected repair costs before heading to a mechanic.