Start by checking 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.
Since the Intake Air Temperature (IAT) Sensor is par of the Mass Air Flow (MAF) Sensor, start by cleaning the MAF. If the problem persists the MAF may need to be replaced.
The cost to diagnose the P0113 2003 NISSAN ALTIMA SEDAN code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
- An excessively high voltage from the sensor is sent to ECM.
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