Fault codes › P0665
P0665
Intake Manifold Tuning Valve Control Circuit High Bank 2
Generic code
Computer Output Circuit
High severity
Hard repair
Free on OBD DashX
Want real-world data on P0665?
See which problems come with P0665, how often it shows up in other vehicles, and how to fix it — step by step.
- Real-world fix data
- How often it happens
- Step-by-step repairs
See P0665 on OBD DashX
No sign-up needed · available in 10 languages
iWhat P0665 means
- The fault code P0664 indicates that there is an issue with the Intake Manifold Tuning Valve Control Circuit Bank 2.
!Possible symptoms
- Decreased engine performance or power
- Rough idling or engine stalling
- Poor fuel efficiency
- Check Engine Light (CEL) illuminated
?Possible causes
- Faulty intake manifold tuning valve
- Open or short circuit in the intake manifold tuning valve control circuit
- Faulty engine control module (ECM)
⚙Related parts
- Intake Manifold Tuning Valve: Intake Manifold Tuning Valve regulates airflow in the engine at different RPM. This car's malfunctioning tuning valve may lead to engine stalling, lack of power and engine noises
✓Possible solutions
- Test and replace the faulty intake manifold tuning valve, if necessary
- Check for any open or short circuits in the intake manifold tuning valve control circuit and repair as needed
- Test and replace the engine control module (ECM) if it is determined to be faulty
- Ensure proper electrical connections in the intake manifold tuning valve control circuit