OBD Guide

P0086

Exhaust Valve Control Solenoid Circuit High Bank 2

P0086 is an OBD-II diagnostic trouble code meaning: Exhaust Valve Control Solenoid Circuit High Bank 2. Common causes: faulty exhaust valve control solenoid, short circuit in solenoid wiring. Estimated repair cost: $56–167.

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

Symptoms

  • Check Engine Light Illuminates
  • Reduced engine power
  • Rough engine idling
  • Increased fuel consumption
  • Metallic knock in the engine
  • Difficulty starting the engine

Causes

  • Faulty exhaust valve control solenoid
  • Short circuit in solenoid wiring
  • Broken or damaged wires
  • Faulty solenoid connector
  • Dirty or clogged solenoid
  • Engine ECU malfunction
  • Low engine oil pressure

How to Fix

  1. Connect the OBD scanner and read all error codes
  2. Check the level and quality of engine oil
  3. Visually inspect the solenoid wiring for damage.
  4. Check the solenoid supply voltage with a multimeter
  5. Measure the solenoid resistance (should be within specification)
  6. Clean the solenoid connectors from oxidation and dirt.
  7. Replace exhaust valve control solenoid if necessary
  8. Check and, if necessary, repair wiring
  9. Clear error codes and test drive

Related codes

Error P0086 by Vehicle Brand

FAQ

What does the P0086 code mean?

P0086 is an OBD-II diagnostic trouble code that indicates: Exhaust Valve Control Solenoid Circuit High Bank 2

What causes a P0086 error code?

The most common causes of P0086 include: Faulty exhaust valve control solenoid; Short circuit in solenoid wiring; Broken or damaged wires; Faulty solenoid connector.

How do I fix a P0086 diagnostic trouble code?

To fix P0086: Connect the OBD scanner and read all error codes. Check the level and quality of engine oil. Visually inspect the solenoid wiring for damage.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0086?

Limited driving only, diagnose soon

How much does it cost to fix P0086?

The estimated repair cost for P0086 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat