p0507
Easy Fix
Buick · SUVs
Idle Air Control System Malfunction (Idle Speed High)
Quick Answer
Error code P0507 on your Buick SUVs means: Idle Air Control System Malfunction (Idle Speed High). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Inspect all vacuum hoses for leaks
2
Clean idle air control valve
3
Test coolant temperature sensor voltage
4
Check for intake manifold vacuum leaks
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Carburetor cleaner
Vacuum hoses
Sensor
Related Error Codes