AutoCodes – KIA – P0661 KIA

P0661 KIA Code - Intake Manifold Tuning Valve Control Circuit Low Bank 1

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: P0661 KIA indicates Intake Manifold Tuning Valve Control Circuit Low Bank 1.
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.

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Code Popularity 17,738

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 04, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0661 KIA Description

Intake manifold turning valve is used to increase torque at lower rpm and increase horsepower at higher rpm. Delta 2.7t engine has two intakes runners for each cylinder. The primary intake runner is a long, thin tube in which the intake air passes through. This allows a strong stream of air to blast into the cylinder, helping low-end torque. The secondary intake runner is a short, fat tube. This allows a large volume of air to be sucked into the engine, increasing high-end horsepower. At lower rpm range, the engine does not provide enough suction into the cylinders, starving the engine of needed oxygen. The skinny tube helps blast the air into the cylinder for more oxygen. At higher rpm, the engine has plenty of suction but the intake runner is too small to provide the oxygen it needs. The short, fat tube allows plenty of oxygen to be sucked in. The Engine Control Module (ECM) controls this function utilizing an intake manifold tuning valve, thereby directing intake air through a longer path for low rpm range or a shorter path for high rpm range.

OBDII Code P0661 KIA - Intake Manifold Tuning Valve Control Circuit Low Bank 1 - AutoCodes.com — P0661 KIA Code - Intake Manifold Tuning Valve Control Circuit Low Bank 1

What does this mean?

What are the Possible Causes of the DTC P0661 KIA?

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 P0661 KIA?

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 P0661 KIA 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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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0661 KIA Code

1. What does the OBDII code P0661 mean on a KIA vehicle?

P0661 indicates a problem with the Intake Manifold Tuning Valve Control Circuit Low on Bank 1, meaning the circuit is not operating within the expected voltage range.

2. What are the common symptoms of the P0661 code in a KIA?

Symptoms include reduced engine performance, poor fuel efficiency, hesitation during acceleration, and an illuminated check engine light.

3. What causes the P0661 code to appear on a KIA?

Common causes include a faulty intake manifold tuning valve, damaged wiring or connectors in the control circuit, or a failed powertrain control module (PCM).

4. How do I diagnose the P0661 code in my KIA?

Start by inspecting the wiring and connectors for damage or corrosion, checking the intake manifold tuning valve for proper operation, and testing the circuit voltage with a multimeter.

5. Can I drive my KIA with the P0661 code?

Driving with the P0661 code may lead to reduced engine performance and efficiency, but it typically does not cause immediate damage. Itâ€™s best to address the issue promptly.

6. How is the P0661 code fixed on a KIA vehicle?

Repairs may include replacing the intake manifold tuning valve, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.

7. How much does it cost to fix the P0661 code on a KIA?

Repair costs vary but can range from $100 to $500, depending on whether wiring repairs or component replacements (like the tuning valve) are required.

8. Is the intake manifold tuning valve part of regular vehicle maintenance?

No, the intake manifold tuning valve is not a regular maintenance item, but it can fail over time due to wear or contamination.

9. Can a dirty or clogged intake manifold cause the P0661 code?

While itâ€™s less common, a dirty or clogged intake manifold can sometimes contribute to the malfunction of the intake manifold tuning valve.

10. Will clearing the P0661 code solve the issue in my KIA?

Clearing the code may temporarily turn off the check engine light, but the underlying issue must be diagnosed and repaired to prevent the code from returning.