OBD Guide

P2DEC

Cylinder 3 Intake Valve Lift Range/Performance

P2DEC is an OBD-II diagnostic trouble code meaning: Cylinder 3 Intake Valve Lift Range/Performance. Common causes: valve lift control solenoid valve malfunction, mechanical damage in the mechanism for changing valve lift. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Rough engine idling
  • Dips during acceleration
  • Check Engine Light Illuminates

Causes

  • Valve lift control solenoid valve malfunction
  • Mechanical damage in the mechanism for changing valve lift
  • Problems with the wiring harness to the control valve
  • Low oil level or incorrect oil used
  • Engine control unit malfunction

How to Fix

  1. Check the level and condition of the engine oil
  2. Diagnose the operation of the control solenoid valve
  3. Check the integrity of the wiring harness and contacts
  4. Perform a visual inspection of the valve mechanism
  5. If necessary, replace faulty components

Related codes

Error P2DEC by Vehicle Brand

FAQ

What does the P2DEC code mean?

P2DEC is an OBD-II diagnostic trouble code that indicates: Cylinder 3 Intake Valve Lift Range/Performance

What causes a P2DEC error code?

The most common causes of P2DEC include: Valve lift control solenoid valve malfunction; Mechanical damage in the mechanism for changing valve lift; Problems with the wiring harness to the control valve; Low oil level or incorrect oil used.

How do I fix a P2DEC diagnostic trouble code?

To fix P2DEC: Check the level and condition of the engine oil. Diagnose the operation of the control solenoid valve. Check the integrity of the wiring harness and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2DEC?

Limited driving only, diagnose soon

How much does it cost to fix P2DEC?

The estimated repair cost for P2DEC is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat