Engine-Codes - Nissan - P0181 2009 NISSAN SENTRA

P0181 2009 NISSAN SENTRA Code - Fuel Temperature Sensor Circuit Range/Performance

- Code Popularity: 2,195 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the P0181 2009 NISSAN SENTRA Code?

  • Faulty Fuel Temperature Sensor
  • Fuel Temperature Sensor harness is open or shorted
  • Fuel Temperature Sensor circuit poor electrical connection

|How to Fix the P0181 2009 NISSAN SENTRA Code?

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.

|P0181 2009 NISSAN SENTRA code tech notes

Fuel temperature sensor is a part of the fuel pump assembly, which is under the rear seat.

|What is the cost to diagnose the P0181 2009 NISSAN SENTRA code?

Labor: 1.0

The cost to diagnose the P0181 2009 NISSAN SENTRA 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.

|When is the P0181 2009 NISSAN SENTRA code detected?

Rationally incorrect voltage from the sensor is sent to ECM, compared with the voltage signals from engine coolant temperature sensor and intake air temperature sensor.

|What are P0181 2009 NISSAN SENTRA code possible symptoms?

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

|What Does the P0181 2009 NISSAN SENTRA Code Mean?

The fuel tank temperature sensor is used to detect the fuel temperature inside the fuel tank. The sensor modifies a voltage signal from the ECM. The modified signal returns to the ECM as the fuel temperature input. The sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases..

Fuel Temperature Sensor Circuit Range/Performance

|Need more information with the P0181 2009 NISSAN SENTRA code?

Need more information on how to fix the P0181 2009 NISSAN SENTRA code?
Get Access to Factory Service Manuals

|Need help with a P0181 2009 NISSAN SENTRA code?

Get the p0181 2009 nissan sentra code diagnosed by a professional: Find a repair shop in your area