OBD Guide

P047F

Exhaust Pressure Control Valve A Stuck Open

P047F is an OBD-II diagnostic trouble code meaning: Exhaust Pressure Control Valve A Stuck Open. Common causes: valve stuck due to contamination or corrosion, malfunction of the solenoid valve (solenoid). Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Increased fuel consumption
  • Reduced engine power
  • Unstable operation at idle
  • Check Engine light comes on

Causes

  • Valve stuck due to contamination or corrosion
  • Malfunction of the solenoid valve (solenoid)
  • Wiring harness damage
  • Problems with vacuum supply

How to Fix

  1. Check the pressure control valve for contamination and sticking
  2. Check the operation of the solenoid valve (solenoid)
  3. Inspect the wiring harness for damage
  4. Replace faulty valve or solenoid
  5. Clean or replace valve if necessary

Related codes

Error P047F by Vehicle Brand

FAQ

What does the P047F code mean?

P047F is an OBD-II diagnostic trouble code that indicates: Exhaust Pressure Control Valve A Stuck Open

What causes a P047F error code?

The most common causes of P047F include: Valve stuck due to contamination or corrosion; Malfunction of the solenoid valve (solenoid); Wiring harness damage; Problems with vacuum supply.

How do I fix a P047F diagnostic trouble code?

To fix P047F: Check the pressure control valve for contamination and sticking. Check the operation of the solenoid valve (solenoid). Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P047F?

Limited driving only, diagnose soon

How much does it cost to fix P047F?

The estimated repair cost for P047F is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat