Mitsubishi Error Code P1167: How to Fix It

Q: What causes Mitsubishi P1167 error code?

P1167 is typically caused by a faulty intake manifold tuning valve, damaged vacuum hoses, electrical connection problems, or carbon buildup preventing the valve from operating properly.

Q: Can I drive with P1167 code?

You can drive with P1167, but you may experience reduced engine performance, poor fuel economy, and rough idling. It's best to fix it promptly to prevent potential engine damage and restore optimal performance.

Q: How much does it cost to fix P1167?

Repair costs range from $50-150 for DIY cleaning and hose replacement, to $300-600 for professional valve replacement including labor. The intake manifold tuning valve typically costs $150-400 depending on your Mitsubishi model.

Q: Will P1167 cause my car to fail emissions testing?

Yes, P1167 will likely cause your vehicle to fail emissions testing since it affects the air intake system. The error code must be resolved and the system must complete its drive cycle before passing inspection.

Q: How often should the intake manifold tuning valve be serviced?

There's no specific service interval, but the valve should be inspected during major tune-ups or if performance issues arise. High-mileage vehicles may benefit from cleaning every 60,000-80,000 miles to prevent carbon buildup.

Abstract

The P1167 error code in Mitsubishi vehicles indicates a problem with the Inlet Manifold Tuning Valve, which controls airflow into the engine. This component helps optimize engine performance at different RPMs, and when it fails, you may notice reduced power, poor fuel economy, or rough idling.