P0112 2008 Nissan Altima Sedan Code - Intake Air Temperature Circuit Low Input
Quick Answer
The Intake Air Temperature (IAT) sensor is built into mass air flow sensor or in some vehicles mounted to the air filter duct housing. Common causes include Faulty Intake Air Temperature (IAT) sensor, Dirty air filter, Intake Air Temperature (IAT) 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 2008 Nissan Altima Sedan indicates Intake Air Temperature Circuit Low Input.
- Common causes
- Common causes include Faulty Intake Air Temperature (IAT) sensor, Dirty air filter, Intake Air Temperature (IAT) 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 2008 Nissan Altima Sedan Description
What are the Possible Causes of the DTC P0112 2008 Nissan Altima Sedan?
- Faulty Intake Air Temperature (IAT) sensor
- Dirty air filter
- Intake Air Temperature (IAT) sensor harness is open or shorted
- Intake Air Temperature (IAT) sensor circuit poor electrical connection
How to Fix the DTC P0112 2008 Nissan Altima Sedan?
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 2008 Nissan Altima Sedan 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 2008 Nissan Altima Sedan Code
1. What does OBDII code P0112 for a 2008 Nissan Altima Sedan mean?
Code P0112 indicates a low input in the Intake Air Temperature (IAT) sensor circuit.
2. What are the common symptoms of OBDII code P0112 in a 2008 Nissan Altima Sedan?
Common symptoms include poor fuel economy, rough idling, engine stalling, and possible issues with acceleration.
3. What are the possible causes of OBDII code P0112 in a 2008 Nissan Altima Sedan?
Potential causes include a faulty IAT sensor, damaged wiring or connectors in the sensor circuit, or issues with the engine control module (ECM).
4. How can I diagnose the Intake Air Temperature sensor in a 2008 Nissan Altima Sedan?
You can use a multimeter to test the resistance of the IAT sensor at different temperatures or consult a professional mechanic for a more accurate diagnosis.
5. Can a dirty air filter trigger OBDII code P0112 in a 2008 Nissan Altima Sedan?
A dirty air filter is unlikely to directly cause code P0112, but it can affect overall engine performance and should be checked and replaced if necessary.
6. Is it safe to continue driving my 2008 Nissan Altima Sedan with OBDII code P0112?
It is not recommended to drive with unresolved OBDII codes, as they can lead to further damage and potential safety hazards. It's best to address the issue promptly.
7. How can I reset OBDII code P0112 in my 2008 Nissan Altima Sedan?
After repairing the underlying issue causing the code, you can reset it using an OBDII scanner or by disconnecting the car battery for a few minutes.
8. Are there any DIY repair tips for fixing OBDII code P0112 in a 2008 Nissan Altima Sedan?
DIY repair tips include checking and cleaning the IAT sensor, inspecting wiring for damage, and ensuring proper connections in the sensor circuit.
9. Can a malfunctioning IAT sensor affect the performance of a 2008 Nissan Altima Sedan?
Yes, a malfunctioning IAT sensor can impact the air-fuel mixture, ignition timing, and overall engine performance in the vehicle.
10. How much does it typically cost to repair OBDII code P0112 in a 2008 Nissan Altima Sedan?
The cost of repairing code P0112 can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
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