P1112 2010 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 2010 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 2010 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 2010 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 2010 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 2010 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 2010 Ford Fusion Code
1. What are the common symptoms of OBDII code P1112 on a 2010 Ford Fusion related to the Intake Air Temperature Sensor Intermittent Condition?
- Common symptoms include poor engine performance, rough idling, decreased fuel efficiency, and potential stalling or hesitation during acceleration.
2. What can cause the Intake Air Temperature Sensor Intermittent Condition code P1112 on a 2010 Ford Fusion?
- Potential causes can include a faulty intake air temperature sensor, damaged wiring or connectors, a dirty air filter, or issues with the intake air temperature sensor circuit.
3. How can I diagnose the Intake Air Temperature Sensor Intermittent Condition code P1112 on my 2010 Ford Fusion?
- You can diagnose this code by visually inspecting the sensor and its wiring, testing the sensor's resistance with a multimeter, checking for any loose connections, and scanning the vehicle's computer for additional fault codes.
4. Can a dirty air filter trigger the OBDII code P1112 on a 2010 Ford Fusion?
- Yes, a dirty air filter can disrupt the intake air temperature readings, potentially leading to the triggering of the P1112 code due to inaccurate sensor data.
5. What are some repair tips for addressing the Intake Air Temperature Sensor Intermittent Condition code P1112 on a 2010 Ford Fusion?
- Repair tips include cleaning or replacing the intake air temperature sensor, checking and repairing any damaged wiring or connectors, ensuring the air filter is clean, and resetting the fault codes after making repairs.
6. Is it safe to continue driving my 2010 Ford Fusion with the P1112 code related to an Intake Air Temperature Sensor issue?
- It is generally not recommended to drive the vehicle with unresolved sensor issues, as it can lead to further engine problems and potential damage. It's best to address the underlying cause promptly.
7. Can a DIY enthusiast fix the P1112 code related to the Intake Air Temperature Sensor on a 2010 Ford Fusion?
- Depending on your skill level and access to tools, some DIY enthusiasts may be able to address this code by following repair guides and utilizing basic diagnostic equipment. However, complex issues may require professional assistance.
8. How much does it typically cost to repair the Intake Air Temperature Sensor Intermittent Condition code P1112 on a 2010 Ford Fusion?
- The cost of repair can vary based on the specific issue, location, and labor rates. It may range from a simple sensor replacement cost to more extensive repairs involving wiring or other components.
9. Will resetting the check engine light resolve the P1112 code on a 2010 Ford Fusion?
- Resetting the check engine light may temporarily clear the code, but if the underlying issue causing the P1112 code is not addressed, the code is likely to reappear after driving cycles as the problem persists.
10. How often should the Intake Air Temperature Sensor be inspected or replaced to prevent the P1112 code on a 2010 Ford Fusion?
- It is recommended to inspect the intake air temperature sensor during regular maintenance intervals and replace it if any signs of malfunction are detected to help prevent triggering the P1112 code.
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