AutoCodes - OBDII Code List - P0127 2010 NISSAN VERSA

P0127 2010 NISSAN VERSA - Intake Air Temperature Too High

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3    What is this?
Table of contents

P0127 2010 NISSAN VERSA Possible Causes

  • Faulty Intake Air Temperature (IAT) sensor
  • Intake Air Temperature (IAT) sensor harness is open or shorted
  • Intake Air Temperature (IAT) sensor electrical circuit poor connection

How do I fix code P0127 2010 NISSAN VERSA?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Tech Notes

The Intake Air Temperature (IAT) is part of the Mass Air Flow (MAF) the MAF assembly it can be cleaned with mass air flow sensor cleaner if cleaning it does not help it will need to be replaced to fix the problem.

Cost of diagnosing the P0127 2010 NISSAN VERSA code

Labor: 1.0

The cost of diagnosing the P0127 2010 NISSAN VERSA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0127 2010 NISSAN VERSA Description

The Intake Air Temperature (IAT) sensor is variable temperature sensitive resistor that measures the temperature of the air in the intake system. Sensor resistance will change based on air temperature. The higher the temperature is, the lower the resistance. The Engine Control Module (ECM) provides a reference voltage and monitors the voltage drop between a fixed value internal resistance and the sensor resistance. This is called a voltage divider circuit.
IAT sensor values are used by the ECM processor to assist with the calculation of idle speed, fuel mixture and spark advance.
Inaccurate voltages from the IAT sensor may affect pulse-width, idle quality, and tail pipe emissions. Intermittent signals may cause hesitation, stumble and surging. If an IAT sensor failure accompanies an Engine Coolant Temperature (ECT) sensor failure, cooling fan operation may also be affected.
Some manufacturers incorporate the Intake Air Temperature (IAT) sensor as part of the Mass Air Flow (MAF) sensor (Air Flow Meter).
OBDII Code P0127 2010 Nissan Versa - Intake Air Temperature Too High - AutoCodes.com

More Information

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