P0112 1999 Ford F150 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 1999 Ford F150 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 1999 Ford F150 Description
What are the Possible Causes of the DTC P0112 1999 Ford F150?
- 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 1999 Ford F150?
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 1999 Ford F150 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 1999 Ford F150 Code
1. What are the common symptoms of OBDII code P0112 on a 1999 Ford F150?
- Common symptoms include poor fuel economy, rough idling, difficulty starting the engine, and a decrease in overall engine performance.
2. What causes the Intake Air Temperature Sensor Circuit Low Input code (P0112) on a 1999 Ford F150?
- The code P0112 is typically caused by a faulty intake air temperature sensor, damaged sensor wiring, or a poor electrical connection to the sensor.
3. How can I diagnose the reason behind the P0112 code on my 1999 Ford F150?
- You can use a multimeter to test the intake air temperature sensor's resistance values, inspect the sensor wiring for damage, and check the electrical connections for any corrosion or loose connections.
4. Can a dirty air filter trigger the P0112 code on a 1999 Ford F150?
- Yes, a dirty or clogged air filter can affect the intake air temperature sensor readings and potentially trigger the P0112 code.
5. Is it safe to continue driving my 1999 Ford F150 with the P0112 code?
- It is not recommended to drive your vehicle with the P0112 code present, as it can lead to further engine performance issues and potential damage if left unresolved.
6. How do I repair the Intake Air Temperature Sensor Circuit Low Input issue on my 1999 Ford F150?
- To repair the P0112 code, you may need to replace the intake air temperature sensor, repair any damaged wiring, and ensure all electrical connections are secure and functioning properly.
7. Can I reset the OBDII code P0112 on my 1999 Ford F150 without fixing the underlying issue?
- While you can clear the code using an OBDII scanner, it is important to address the root cause of the problem to prevent the code from reappearing.
8. Will a malfunctioning intake air temperature sensor affect my 1999 Ford F150's emissions?
- Yes, a malfunctioning intake air temperature sensor can impact your vehicle's emissions levels and overall engine performance.
9. How much does it typically cost to replace the intake air temperature sensor on a 1999 Ford F150?
- The cost of replacing the intake air temperature sensor can vary depending on the vehicle's location and labor rates, but it generally ranges from $50 to $150 for the part itself.
10. Can I replace the intake air temperature sensor on my 1999 Ford F150 myself, or should I seek professional help?
- If you have experience working on vehicles and access to the necessary tools, you may be able to replace the intake air temperature sensor yourself. Otherwise, it is recommended to seek professional help to ensure the repair is done correctly.
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