P1112 2012 Ford Fusion Code - Intake Air Temperature Sensor Intermittent Condition
Quick Answer
The IAT sensor is a thermistor device in which resistance changes with temperature. Common causes include Faulty Intake Air Temperature Sensor, Intake Air Temperature Sensor harness is open or shorted, Intake Air Temperature Sensor 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
- P1112 2012 Ford Fusion indicates Intake Air Temperature Sensor Intermittent Condition.
- Common causes
- Common causes include Faulty Intake Air Temperature Sensor, Intake Air Temperature Sensor harness is open or shorted, Intake Air Temperature Sensor 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 P1112 2012 Ford Fusion Description
Thermistor-type sensors are considered passive sensors. A passive sensor is connected to a voltage divider network so that varying the resistance of the passive sensor causes a variation in total current flow. Voltage that is dropped across a fixed resistor in a series with the sensor resistor determines the voltage signal at the PCM. This voltage signal is equal to the reference voltage minus the voltage drop across the fixed resistor.
The IAT sensor provides air temperature information to the PCM. The PCM uses the air temperature information as a correction factor in the calculation of fuel, spark, and air flow.
The IAT sensor provides a quicker temperature change response time than the ECT or CHT sensor.
Currently there are 2 types of IAT sensors used, a stand alone, non-integrated type and an integrated type. Both types function the same, however the integrated type is incorporated into the mass air flow (MAF) sensor instead of being a stand-alone sensor.
What are the Possible Causes of the DTC P1112 2012 Ford Fusion?
- Faulty Intake Air Temperature Sensor
- Intake Air Temperature Sensor harness is open or shorted
- Intake Air Temperature Sensor circuit poor electrical connection
- Damaged Powertrain Control Module (PCM)
How to Fix the DTC P1112 2012 Ford Fusion?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1112 2012 Ford Fusion 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 P1112 2012 Ford Fusion Code
1. What are the common symptoms of an Intake Air Temperature Sensor Intermittent Condition (OBDII code P1112) on a 2012 Ford Fusion?
- Common symptoms include poor engine performance, decreased fuel efficiency, rough idling, and potential stalling.
2. What could cause the Intake Air Temperature Sensor Intermittent Condition code P1112 on a 2012 Ford Fusion?
- Possible causes include a faulty intake air temperature sensor, damaged wiring or connectors, or issues with the engine control module.
3. How can I diagnose the Intake Air Temperature Sensor issue triggering code P1112 on my 2012 Ford Fusion?
- To diagnose the problem, you can use an OBDII scanner to read the trouble codes, visually inspect the sensor and its connections, and perform testing to check for proper sensor operation.
4. Can a dirty air filter trigger the Intake Air Temperature Sensor Intermittent Condition code on a 2012 Ford Fusion?
- Yes, a dirty air filter can disrupt the airflow and affect the intake air temperature readings, potentially leading to the P1112 code.
5. What are some repair tips for resolving the Intake Air Temperature Sensor Intermittent Condition on a 2012 Ford Fusion?
- Check and clean the intake air temperature sensor, inspect and repair any damaged wiring or connectors, and reset the trouble codes after making necessary repairs.
6. Is it safe to continue driving with the Intake Air Temperature Sensor Intermittent Condition code P1112 on a 2012 Ford Fusion?
- It is not recommended to drive with this issue as it can lead to further engine problems and decreased performance. It's best to address the problem promptly.
7. Can a DIY enthusiast fix the Intake Air Temperature Sensor Intermittent Condition causing code P1112 on a 2012 Ford Fusion?
- Depending on your skills and experience, you may be able to replace the intake air temperature sensor or address wiring issues yourself. However, professional diagnosis and repair may be advisable for complex issues.
8. How much does it typically cost to repair the Intake Air Temperature Sensor Intermittent Condition code P1112 on a 2012 Ford Fusion?
- The cost of repairs can vary depending on the specific cause of the issue. It may range from a simple sensor replacement to more extensive wiring repairs, so costs can vary accordingly.
Discuss the causes and fixes for P1112 2012 Ford Fusion OBDII Code
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