P1115 Mercury Code - Intake Air Temperature Sensor 2 Circuit High
Quick Answer
The P1115 code for Mercury vehicles indicates a problem with the Intake Air Temperature Sensor 2 Circuit being too high. Common causes include Faulty intake air temperature sensor, Damaged wiring or connectors, Issues with the engine control module. 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
- P1115 Mercury indicates Intake Air Temperature Sensor 2 Circuit High.
- Common causes
- Common causes include Faulty intake air temperature sensor, Damaged wiring or connectors, Issues with the engine control module.
- 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 P1115 Mercury Description
The P1115 code for Mercury vehicles indicates a problem with the Intake Air Temperature Sensor 2 Circuit being too high. This sensor is responsible for measuring the temperature of the air entering the engine, which is crucial for the engine control unit to adjust the air-fuel mixture for optimal combustion. When the sensor detects a high circuit, it means that the voltage signal sent to the engine control module is beyond the normal range, potentially leading to incorrect fuel delivery and ignition timing.
Common Causes of P1115 Mercury
- Faulty intake air temperature sensor
- Damaged wiring or connectors
- Issues with the engine control module
- Vacuum leaks in the intake system
- Incorrect sensor placement or installation
Symptoms of P1115 Mercury
- Decreased fuel efficiency
- Engine hesitation or stalling
- Rough idling
- Check Engine Light illuminated
- Engine overheating
How to Fix P1115 Mercury
- Begin by diagnosing the issue using a scan tool to read the fault codes and pinpoint the problem area.
- Inspect the intake air temperature sensor, wiring, and connectors for any damage or corrosion. Replace any faulty components.
- Check the engine control module for any signs of malfunction or reprogram it if necessary.
- Verify proper installation and placement of the sensor to ensure accurate readings.
- Clear the fault codes and reset the engine control module to see if the issue has been resolved.
Cost to Fix P1115 Mercury
The typical repair costs for addressing a P1115 code on a Mercury vehicle can range from $100 to $300, depending on the extent of the issue and the cost of parts and labor. It is important to note that specific diagnosis time and labor rates at auto repair shops can vary based on location, vehicle make and model, and engine type. It is recommended to inquire about local rates for a more accurate estimate.
Tech Notes for P1115 Mercury
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