AutoCodes – KIA – P0662 KIA

P0662 KIA Code - Intake Manifold Tuning Valve Control Circuit High 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: P0662 KIA indicates Intake Manifold Tuning Valve Control Circuit High 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 6,447

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 P0662 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 P0662 KIA - Intake Manifold Tuning Valve Control Circuit High Bank 1 - AutoCodes.com — P0662 KIA Code - Intake Manifold Tuning Valve Control Circuit High Bank 1

What does this mean?

What are the Possible Causes of the DTC P0662 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 P0662 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 P0662 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 P0662 KIA Code

1. What does the OBDII code P0662 mean for a Kia vehicle?

P0662 indicates an issue with the Intake Manifold Tuning Valve (IMTV) Control Circuit High on Bank 1, meaning the electrical circuit has detected a voltage that is higher than expected.

2. What are the common symptoms of a P0662 code in a Kia?

Symptoms may include poor engine performance, reduced fuel efficiency, hesitation during acceleration, a rough idle, and the Check Engine Light being illuminated.

3. What causes the P0662 code in a Kia?

Common causes include a faulty Intake Manifold Tuning Valve, damaged or corroded wiring, a poor electrical connection in the circuit, or a malfunctioning Engine Control Module (ECM).

4. Can a P0662 code damage my Kia's engine if ignored?

While it may not cause immediate engine damage, ignoring the code can lead to decreased performance, increased emissions, and potential damage to other components over time.

5. How do I diagnose a P0662 code on my Kia?

Start by inspecting the Intake Manifold Tuning Valve and its wiring for damage or corrosion, then use a multimeter to check for proper voltage and continuity in the circuit.

6. Is it safe to drive my Kia with a P0662 code?

Driving with this code is generally safe for short distances, but prolonged driving may result in reduced performance and fuel efficiency. Itâ€™s best to address the issue promptly.

7. How do I fix a P0662 code in a Kia?

Repairs may include replacing the Intake Manifold Tuning Valve, repairing or replacing damaged wiring, cleaning corroded connectors, or, in rare cases, reprogramming or replacing the ECM.

8. How much does it cost to fix a P0662 code on a Kia?

Repair costs can vary but typically range from $100 to $500, depending on whether the issue is a simple wiring repair or the replacement of the Intake Manifold Tuning Valve.

9. Can a dirty or clogged intake manifold cause a P0662 code?

While not a primary cause, a dirty or clogged intake manifold can contribute to performance issues that may indirectly trigger related codes. Cleaning the manifold could help in some cases.

10. Does a P0662 code always mean the Intake Manifold Tuning Valve is faulty?

No, the code can also be caused by wiring issues, poor electrical connections, or a malfunctioning ECM. Proper diagnosis is essential to identify the exact cause.