P0664 - OBD II Trouble Code

Our automotive experts have put together the following information about the P0664 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0664 code.

OBD II Fault Code

• OBD II P0664

OBD-II Code Decreased engine performance is defined as a Intake Manifold Tuning Valve Control Circuit Low

The Intake Manifold Tuning Valve allows additional air to flow through the intake at higher RPMs. If the engine computer (PCM) detects that the Intake Manifold Tuning Valve is not operating as requested, code P0664 will be set.

Decreased engine performance Symptoms

• Decreased engine performance

Common Problems That Trigger the P0664 Code

• Intake manifold tuning valve actuator failure
• Powertrain Control Module (PCM) failure
• Wiring issue