Engine-CodesJeep – P0660 Jeep

P0660 Jeep Code - Manifold Tune Solenoid Circuit Condition

Quick Answer

The P0660 code in a Jeep indicates a problem with the Manifold Tune Solenoid (MTS) circuit condition. Common causes include Faulty Manifold Tune Solenoid, Wiring or connector issues in the MTS circuit, ECM software or hardware problems. 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
P0660 Jeep indicates Manifold Tune Solenoid Circuit Condition.
Common causes
Common causes include Faulty Manifold Tune Solenoid, Wiring or connector issues in the MTS circuit, ECM software or hardware problems.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P0660 Jeep Description

The P0660 code in a Jeep indicates a problem with the Manifold Tune Solenoid (MTS) circuit condition. The MTS is a component of the engine's intake manifold system that helps regulate the flow of air into the engine. This solenoid is responsible for adjusting the length of the intake manifold runners to optimize performance at different engine speeds.

OBDII Code P0660 Jeep - Manifold Tune Solenoid Circuit Condition
P0660 Jeep Code - Manifold Tune Solenoid Circuit Condition

Common Causes of P0660 Jeep

  1. Faulty Manifold Tune Solenoid
  2. Wiring or connector issues in the MTS circuit
  3. ECM software or hardware problems
  4. Vacuum leaks in the intake manifold system
  5. Carbon buildup in the MTS or intake manifold

Symptoms of P0660 Jeep

  1. Check engine light illuminated on the dashboard
  2. Reduced engine performance or power
  3. Rough idling or engine stalling
  4. Decreased fuel efficiency
  5. Engine misfires

How to Fix P0660 Jeep

  1. Begin by conducting a thorough inspection of the MTS and its circuit for any visible damage or loose connections.
  2. Use a multimeter to test the MTS for proper electrical resistance and functionality.
  3. Inspect the wiring and connectors associated with the MTS for any signs of wear or corrosion.
  4. Clear any debris or carbon buildup in the intake manifold and MTS to ensure proper airflow.
  5. If necessary, replace the Manifold Tune Solenoid with a new one and reset the ECM to clear the code.

Cost to Fix P0660 Jeep

The cost of repairing a P0660 code in a Jeep can vary depending on the specific model and the extent of the issue. On average, the parts for this repair can range from $50 to $200, while labor costs can add another $100 to $200. In total, the repair for this code could cost anywhere from $150 to $400. It's important to note that these estimates are generalizations, and actual costs may vary based on the location and the specific repair shop.

Tech Notes for P0660 Jeep

















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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.

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