P0664 Hyundai Code - Intake Manifold Tuning Valve Control Circuit Low Bank 2
Quick Answer
Intake manifold turning valve is used to increase torque at lower rpm and increase horsepower at higher rpm. Common causes include Faulty Intake Manifold Tuning Valve (IMTV), Intake Manifold Tuning Valve harness is open or shorted, Intake Manifold Tuning Valve circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0664 Hyundai indicates Intake Manifold Tuning Valve Control Circuit Low Bank 2.
- Common causes
- Common causes include Faulty Intake Manifold Tuning Valve (IMTV), Intake Manifold Tuning Valve harness is open or shorted, Intake Manifold Tuning Valve circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0664 Hyundai Description
What are the Possible Causes of the DTC P0664 Hyundai?
- Faulty Intake Manifold Tuning Valve (IMTV)
- Intake Manifold Tuning Valve harness is open or shorted
- Intake Manifold Tuning Valve circuit poor electrical connection
How to Fix the DTC P0664 Hyundai?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0664 Hyundai code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Information for Specific Hyundai Models
- P0664 2005 Hyundai Tucson — Intake Manifold Tuning Valve Control Circuit Low Bank 2
Frequently Asked Questions about P0664 Hyundai Code
1. What does the OBDII code P0664 mean on a Hyundai?
P0664 indicates an issue with the Intake Manifold Tuning Valve Control Circuit Low on Bank 2, meaning the system is detecting a low voltage or malfunction in this circuit.
2. What are the common symptoms of a P0664 code?
Symptoms may include reduced engine performance, poor fuel efficiency, rough idling, and possibly an illuminated Check Engine Light.
3. What causes a P0664 code on a Hyundai?
Common causes include a faulty intake manifold tuning valve, damaged wiring or connectors in the circuit, a failed control module, or carbon buildup restricting valve movement.
4. Can I drive my Hyundai with a P0664 code?
While the car might still be drivable, reduced performance and potential long-term engine damage make it advisable to address the issue promptly.
5. How do I diagnose the P0664 code on a Hyundai?
Start by inspecting wiring and connectors for damage, check the intake manifold tuning valve for proper operation, and test the circuit for voltage and continuity.
6. How do I fix the P0664 code on my Hyundai?
Repairs may include replacing the intake manifold tuning valve, repairing damaged wiring or connectors, or updating/replacing the engine control module (ECM) if necessary.
7. What tools are needed to diagnose and repair a P0664 code?
A scan tool to read and clear codes, a multimeter for testing voltage and continuity, and potentially a service manual for wiring diagrams are essential.
8. Can a dirty intake manifold trigger a P0664 code?
Yes, carbon buildup in the intake manifold can restrict the movement of the tuning valve, leading to this code.
9. How much does it cost to fix a P0664 code on a Hyundai?
Costs vary depending on the cause but typically range from $100 to $500, including parts and labor, with higher costs for control module replacement.
10. Will clearing the P0664 code fix the problem?
Clearing the code without addressing the root cause is a temporary solution, as the issue is likely to return until properly repaired.
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