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Home/DTC Codes/Pontiac/Sunfire/1995-2005 2.2L I4/P0507
P0507

Idle Air Control System RPM Higher Than Expected

1995-2005 Pontiac Sunfire 2.2L I4

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

  1. Check for vacuum leaks
  2. Inspect throttle plate
  3. Test IAC valve
  4. Check intake gaskets

Repair Notes

Find and fix vacuum leak. Clean throttle body. Replace IAC if stuck open.

Related Codes

P0505Idle Air Control SystemP0506Idle Air Control System RPM Lower Than Expected

Other Powertrain Codes

P0507 on Other Vehicles

Pontiac Aztek

2001-2005 3.4L V6

Pontiac Bonneville

1990-1999 3.8L V6

Pontiac Bonneville

2000-2005 3.8L V6

Pontiac Bonneville GXP

2000-2005 4.6L V8

Pontiac Bonneville GXP

2000-2005 4.6L V8 Northstar

Pontiac Bonneville SSEi

1992-1999 3.8L Supercharged V6

Pontiac Bonneville SSEi

1992-1999 3.8L V6 Supercharged

Pontiac Firebird

1993-1997 3.4L V6

Common Questions

What does code P0507 mean on a 1995-2005 Pontiac Sunfire?

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 Pontiac Sunfire?

Common symptoms of P0507 include: High idle speed, Engine racing at idle.

What causes P0507 on a 1995-2005 Pontiac Sunfire?

Common causes of P0507 include: Vacuum leak (most common), IAC valve stuck open, Throttle plate not closing fully, Intake gasket leak.

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