OBD Guide

P2DEF

Cylinder 6 Intake Valve Lift Range/Performance

P2DEF is an OBD-II diagnostic trouble code meaning: Cylinder 6 Intake Valve Lift Range/Performance. Common causes: valve lift solenoid valve malfunction, worn valve lift mechanism. Estimated repair cost: $28–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–167 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Unstable idling
  • Check Engine Light Is On
  • Loss of acceleration dynamics

Causes

  • Valve lift solenoid valve malfunction
  • Worn valve lift mechanism
  • Open or short circuit in control circuit
  • Low oil level or dirty
  • Problems with the engine control unit

How to Fix

  1. Check the level and condition of the engine oil
  2. Diagnose the valve lift solenoid valve
  3. Check valve lift control circuit
  4. Inspect the valve lift mechanism for wear
  5. Scan the control unit for other errors

Related codes

Error P2DEF by Vehicle Brand

FAQ

What does the P2DEF code mean?

P2DEF is an OBD-II diagnostic trouble code that indicates: Cylinder 6 Intake Valve Lift Range/Performance

What causes a P2DEF error code?

The most common causes of P2DEF include: Valve lift solenoid valve malfunction; Worn valve lift mechanism; Open or short circuit in control circuit; Low oil level or dirty.

How do I fix a P2DEF diagnostic trouble code?

To fix P2DEF: Check the level and condition of the engine oil. Diagnose the valve lift solenoid valve. Check valve lift control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2DEF?

Yes, but get it checked soon

How much does it cost to fix P2DEF?

The estimated repair cost for P2DEF is $28–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat