P0112 2010 Ford Fusion Code - Intake Air Temperature Sensor Circuit Low Input
Quick Answer
The Intake Air Temperature (IAT) sensor is built into Mass Air Flow (MAF) sensor. Common causes include Dirty Air Filter, Faulty Intake Air Temperature (IAT) Sensor, Intake Air Temperature Sensor harness is open or shorted. 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
- P0112 2010 Ford Fusion indicates Intake Air Temperature Sensor Circuit Low Input.
- Common causes
- Common causes include Dirty Air Filter, Faulty Intake Air Temperature (IAT) Sensor, Intake Air Temperature Sensor harness is open or shorted.
- 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 P0112 2010 Ford Fusion Description
What are the Possible Causes of the DTC P0112 2010 Ford Fusion?
- Dirty Air Filter
- Faulty Intake Air Temperature (IAT) Sensor
- Intake Air Temperature Sensor harness is open or shorted
- Intake Air Temperature Sensor circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC P0112 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 P0112 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 P0112 2010 Ford Fusion Code
1. What does the OBDII code P0112 mean on a 2010 Ford Fusion?
P0112 indicates that the Intake Air Temperature (IAT) sensor is reporting a voltage signal that is too low, suggesting the sensor is detecting an abnormally low air temperature.
2. What are common symptoms of code P0112 on a 2010 Ford Fusion?
Symptoms may include poor engine performance, reduced fuel efficiency, hard starting, black exhaust smoke, or the check engine light being illuminated.
3. What causes the P0112 code on a 2010 Ford Fusion?
Common causes include a faulty IAT sensor, damaged or corroded wiring, a short circuit, or a defective Engine Control Module (ECM).
4. Can I drive my 2010 Ford Fusion with code P0112?
Driving with this code is possible, but it is not recommended as it may lead to poor performance, increased emissions, and potential long-term engine damage if not addressed.
5. How do I fix code P0112 on a 2010 Ford Fusion?
Start by inspecting and cleaning the IAT sensor, checking the wiring for damage, and ensuring the connections are secure. If necessary, replace the IAT sensor.
6. Where is the IAT sensor located on a 2010 Ford Fusion?
The IAT sensor is typically located near the air intake or integrated into the Mass Air Flow (MAF) sensor housing in the intake system.
7. How much does it cost to repair the P0112 code on a 2010 Ford Fusion?
Repair costs can range from $20 to $100 for a replacement IAT sensor, plus labor costs if you have a mechanic perform the repair.
8. How can I test the IAT sensor on my 2010 Ford Fusion?
You can test the IAT sensor using a multimeter to measure its resistance at different temperatures and compare the readings to the manufacturer’s specifications.
9. Can a dirty air filter cause the P0112 code on a 2010 Ford Fusion?
A dirty air filter is unlikely to directly cause P0112, but it can affect airflow and sensor readings, so it’s worth checking as part of the diagnosis.
10. Will resetting the check engine light fix the P0112 code on a 2010 Ford Fusion?
Resetting the light may clear the code temporarily, but if the underlying issue is not fixed, the code will likely return.
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