OBD-II Generic Error Code P0085: How to Fix It

Q: What does error code P0085 mean?

P0085 indicates that the exhaust valve control solenoid circuit on bank 2 is reading a lower voltage than expected. This solenoid controls variable valve timing on the exhaust side.

Q: Can I drive with code P0085?

You can drive short distances, but you may notice rough idle, reduced power, and poor fuel economy. Prolonged driving could cause further engine damage. Fix it promptly.

Q: What are common symptoms of P0085?

Symptoms include check engine light, rough idle, hesitation during acceleration, decreased fuel economy, and possible hard starting.

Q: How much does it cost to fix P0085?

DIY cost is $50-$150 for a new solenoid. Mechanic labor adds $100-$200, total $150-$350.

Q: What is bank 2 on an engine?

Bank 2 is the side of the engine that does not contain cylinder #1. For V6/V8 engines, it's typically the passenger side on front-wheel-drive vehicles or the side opposite the #1 cylinder.

Abstract

Your vehicle's computer has detected an issue with the exhaust valve control solenoid circuit on bank 2, specifically a low voltage condition. This solenoid controls the variable valve timing on the exhaust side, and a fault can cause rough idle, poor performance, and reduced fuel economy. This guide will help you diagnose and fix the problem.