P2118 Mercury Code - Throttle Actuator 'A' Control Motor Current Range/Performance
Quick Answer
The P2118 diagnostic trouble code for Mercury vehicles specifically relates to the throttle actuator 'A' control motor current range/performance. Common causes include Faulty throttle actuator control motor, Wiring issues, Malfunctioning ECM. 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
- P2118 Mercury indicates Throttle Actuator 'A' Control Motor Current Range/Performance.
- Common causes
- Common causes include Faulty throttle actuator control motor, Wiring issues, Malfunctioning ECM.
- 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 P2118 Mercury Description
The P2118 diagnostic trouble code for Mercury vehicles specifically relates to the throttle actuator 'A' control motor current range/performance. This code indicates that the Engine Control Module (ECM) has detected that the current flowing through the throttle actuator control motor is outside of the expected range or performance parameters. The throttle actuator control motor is responsible for controlling the opening and closing of the throttle plate, which in turn regulates the airflow into the engine.
Common Causes of P2118 Mercury
- Faulty throttle actuator control motor
- Wiring issues
- Malfunctioning ECM
- Stuck throttle plate
- Dirty throttle body
Symptoms of P2118 Mercury
- Poor acceleration
- Rough idling
- Stalling
- Decreased fuel efficiency
- Check Engine Light illuminated
How to Fix P2118 Mercury
- Begin by conducting a visual inspection of the throttle actuator control motor and its wiring to check for any visible damage or loose connections.
- Use a scan tool to retrieve the freeze frame data and clear the code. Monitor the throttle actuator control motor's current readings to determine if the issue persists.
- Test the throttle actuator control motor's operation by commanding it to open and close using a scan tool. If it fails to respond or operates erratically, it may need to be replaced.
- Inspect the throttle body and throttle plate for any obstructions or buildup that could be affecting the motor's performance. Clean or replace these components if necessary.
- If the issue persists after completing these steps, further diagnosis may be needed to pinpoint the exact cause of the problem.
Cost to Fix P2118 Mercury
The typical repair costs for addressing a P2118 code on a Mercury vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the cost of replacing a throttle actuator control motor can range from $200 to $500, including parts and labor. However, additional costs may be incurred if other components need to be replaced or if further diagnosis is required. It is advisable to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on your vehicle's make and model. Keep in mind that labor rates and diagnostic fees can vary based on location and the service provider.
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