P0507
Idle Air Control System RPM Higher Than Expected
2002-2007 Buick Rendezvous 3.5L V6
Moderate SeverityPowertrainGeneric (SAE)
Description
The idle speed is consistently above the target RPM.
Symptoms
- High idle speed
- Engine racing at idle
Common Causes
- Vacuum leak (most common)
- IAC valve stuck open
- Throttle plate not closing fully
- Intake gasket leak
Diagnostic Steps
- Check for vacuum leaks
- Inspect throttle plate
- Test IAC valve
- Check intake gaskets
Repair Notes
Find and fix vacuum leak. Clean throttle body. Replace IAC if stuck open.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0507 on Other Vehicles
Common Questions
What does code P0507 mean on a 2002-2007 Buick Rendezvous?
P0507 stands for "Idle Air Control System RPM Higher Than Expected". The idle speed is consistently above the target RPM.
What are the symptoms of P0507 on a Buick Rendezvous?
Common symptoms of P0507 include: High idle speed, Engine racing at idle.
What causes P0507 on a 2002-2007 Buick Rendezvous?
Common causes of P0507 include: Vacuum leak (most common), IAC valve stuck open, Throttle plate not closing fully, Intake gasket leak.