P0112 Mercury 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 Mercury 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 Mercury Description
What are the Possible Causes of the DTC P0112 Mercury?
- 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 Mercury?
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 Mercury 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 Mercury Code
1. What are the common symptoms of OBDII code P0112 on a Mercury?
The common symptoms of code P0112 on a Mercury may include rough idling, poor fuel economy, engine stalling, and a noticeable decrease in engine performance.
2. What causes the intake air temperature sensor circuit low input code P0112 on a Mercury?
The most common causes of code P0112 on a Mercury are a faulty intake air temperature sensor, damaged wiring or connectors in the sensor circuit, or a defective engine control module (ECM).
3. How can I diagnose the intake air temperature sensor circuit low input code P0112 on my Mercury?
To diagnose code P0112 on your Mercury, you can use a multimeter to test the resistance of the intake air temperature sensor, check for any damaged wiring or connectors in the circuit, and perform a thorough inspection of the sensor itself.
4. Can a dirty air filter trigger code P0112 on a Mercury?
Yes, a dirty air filter can affect the intake air temperature sensor readings and potentially trigger code P0112 on a Mercury. It is recommended to check and replace the air filter if necessary as part of the troubleshooting process.
5. Is it safe to drive my Mercury with OBDII code P0112 triggered?
It is generally not recommended to drive your Mercury with code P0112 triggered, as it can lead to poor engine performance and potentially cause further damage. It is best to address the issue promptly to prevent any potential complications.
6. Will resetting the error code temporarily fix code P0112 on my Mercury?
Resetting the error code may temporarily clear the check engine light, but it will not fix the underlying issue causing code P0112 on your Mercury. It is important to diagnose and repair the root cause of the problem to prevent the code from reoccurring.
7. Can a DIY enthusiast repair OBDII code P0112 on a Mercury?
Depending on your skill level and access to tools, a DIY enthusiast may be able to repair code P0112 on a Mercury by replacing the intake air temperature sensor, checking and repairing any damaged wiring, or addressing other related issues.
8. What are some tips for preventing OBDII code P0112 from recurring on my Mercury?
To prevent code P0112 from recurring on your Mercury, it is important to perform regular maintenance on your vehicle, including replacing the air filter as recommended, checking the sensor wiring for any signs of damage, and ensuring proper sensor operation.
9. How much does it typically cost to repair OBDII code P0112 on a Mercury?
The cost of repairing code P0112 on a Mercury can vary depending on the specific issue causing the code, the cost of parts, and labor rates. It is recommended to consult with a mechanic or dealership for an accurate estimate based on your vehicle's needs.
10. Can a faulty intake air temperature sensor affect other systems in my Mercury?
Yes, a faulty intake air temperature sensor can affect other systems in your Mercury, such as the fuel injection system, ignition timing, and emissions control. It is important to address any sensor issues promptly to prevent further complications.
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