OBD Guide

P052E

PCV Regulator Valve Performance

P052E is an OBD-II diagnostic trouble code meaning: PCV Regulator Valve Performance. Common causes: stuck pcv valve, crankcase ventilation system clogged. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Unstable idle
  • Increased oil consumption
  • Reduced engine power
  • Check Engine Light Illuminates

Causes

  • Stuck PCV valve
  • Crankcase ventilation system clogged
  • Open or shorted valve control circuit
  • Malfunction of sensors affecting PCV operation
  • Mechanical damage to the valve

How to Fix

  1. Diagnostics of the crankcase ventilation system
  2. Checking the operation of the PCV valve
  3. Cleaning or replacing the PCV valve
  4. Checking the integrity of the wiring harness
  5. Checking the valve connection to the intake manifold
  6. Resetting error codes and checking after repair

Related codes

Error P052E by Vehicle Brand

FAQ

What does the P052E code mean?

P052E is an OBD-II diagnostic trouble code that indicates: PCV Regulator Valve Performance

What causes a P052E error code?

The most common causes of P052E include: Stuck PCV valve; Crankcase ventilation system clogged; Open or shorted valve control circuit; Malfunction of sensors affecting PCV operation.

How do I fix a P052E diagnostic trouble code?

To fix P052E: Diagnostics of the crankcase ventilation system. Checking the operation of the PCV valve. Cleaning or replacing the PCV valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P052E?

Limited driving only, diagnose soon

How much does it cost to fix P052E?

The estimated repair cost for P052E is $33–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat