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Home/DTC Codes/Nissan/Altima/2007-2012 2.5L I4/P0021
P0021

Intake Camshaft Position Timing Over-Advanced Bank 2

2007-2012 Nissan Altima 2.5L I4

Moderate SeverityPowertrainGeneric (SAE)

Description

The intake camshaft timing for Bank 2 is more advanced than commanded.

Symptoms

  • Check Engine Light
  • Rough idle
  • Poor fuel economy
  • Stalling

Common Causes

  • Dirty oil/sludge
  • Stuck VVT solenoid
  • Worn phaser
  • Oil passage blockage

Diagnostic Steps

  1. Check oil condition
  2. Test VVT solenoid
  3. Monitor cam position
  4. Check timing chain

Repair Notes

Service VVT system Bank 2.

Related Codes

P0011Intake Camshaft Position Timing Over-Advanced Bank 1P0020Intake Camshaft Position Actuator Circuit/Open Bank 2P0022Intake Camshaft Position Timing Over-Retarded Bank 2

Other Powertrain Codes

P0021 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 P0021 mean on a 2007-2012 Nissan Altima?

P0021 stands for "Intake Camshaft Position Timing Over-Advanced Bank 2". The intake camshaft timing for Bank 2 is more advanced than commanded.

What are the symptoms of P0021 on a Nissan Altima?

Common symptoms of P0021 include: Check Engine Light, Rough idle, Poor fuel economy, Stalling.

What causes P0021 on a 2007-2012 Nissan Altima?

Common causes of P0021 include: Dirty oil/sludge, Stuck VVT solenoid, Worn phaser, Oil passage blockage.

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