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Home/DTC Codes/Nissan/Pickup D21/1990-1997 2.4L I4 KA24E/P0507
P0507

Idle Air Control System RPM Higher Than Expected

1990-1997 Nissan Pickup D21 2.4L I4 KA24E

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

Nissan 200SX

1995-1998 1.6L I4 GA16DE

Nissan 200SX SE-R

1995-1998 2.0L I4 SR20DE

Nissan 240SX

1995-1998 2.4L I4 KA24DE

Nissan 300ZX

1990-1996 3.0L V6 VG30DE

Nissan 300ZX Twin Turbo

1990-1996 3.0L Twin-Turbo V6 VG30DETT

Nissan 350Z

2003-2006 3.5L V6 VQ35DE

Nissan 350Z

2007-2009 3.5L V6 VQ35HR

Nissan 370Z

2009-2020 3.7L V6 VQ37VHR

Common Questions

What does code P0507 mean on a 1990-1997 Nissan Pickup D21?

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 Nissan Pickup D21?

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

What causes P0507 on a 1990-1997 Nissan Pickup D21?

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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