P0663 Mercury Code - Intake Manifold Tuning Valve Control Circuit Open Bank 2
Quick Answer
The Powertrain Control Module (PCM) continuously monitor the Intake Manifold Tuning Valve (IMTV) system during Key ON Engine OFF (KOEO) or Key ON Engine Running (KOER) self-test. 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
- P0663 Mercury indicates Intake Manifold Tuning Valve Control Circuit Open 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 P0663 Mercury Description
What are the Possible Causes of the DTC P0663 Mercury?
- 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 P0663 Mercury?
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 P0663 Mercury 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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Frequently Asked Questions about P0663 Mercury Code
What does the OBDII code P0663 mean for a Mercury vehicle?
P0663 indicates that there is an open circuit in the intake manifold tuning valve control circuit for bank 2, which can affect engine performance and efficiency.
What are the common symptoms of the P0663 code?
Common symptoms include a check engine light, rough idle, decreased fuel efficiency, loss of power, and poor acceleration.
What could cause the P0663 code to trigger?
Causes can include a faulty intake manifold tuning valve, damaged wiring or connectors in the control circuit, or a malfunctioning engine control module (ECM).
How can I diagnose the P0663 code?
To diagnose, check for any additional trouble codes, inspect the wiring and connectors for damage, test the intake manifold tuning valve for proper operation, and measure voltage and ground at the valve’s connector.
What are some common repairs for the P0663 code?
Common repairs may include repairing or replacing damaged wiring or connectors, replacing the intake manifold tuning valve, or reprogramming or replacing the ECM if it is found to be faulty.
Can I drive my vehicle with the P0663 code?
While it may be possible to drive the vehicle, it is not recommended as it can lead to further engine problems and decreased fuel efficiency.
How does the intake manifold tuning valve affect engine performance?
The intake manifold tuning valve helps optimize air intake and engine performance by adjusting the airflow depending on engine speed and load, therefore a malfunction can lead to poor performance.
Is the P0663 code specific to certain Mercury models?
No, while it may be more prevalent in certain models, the P0663 code can occur in various Mercury vehicles equipped with an intake manifold tuning valve.
What should I check first if I encounter the P0663 code?
Start by visually inspecting the wiring and connectors associated with the intake manifold tuning valve for any signs of wear, corrosion, or disconnection before proceeding with further tests.
Discuss the causes and fixes for P0663 Mercury OBDII Code
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