P0183 Fuel Temperature Sensor A Circuit Intermittent

Definition: The OBD2 code P0183 indicates that the fuel temperature sensor “A” circuit is experiencing an intermittent issue. This means that the signal from the fuel temperature sensor to the engine control module (ECM) is not consistent, which can affect fuel delivery and engine performance.

P0183 – Fuel Temperature Sensor A Circuit Intermittent

Severity: Moderate

Common Causes

P0183 – Fuel Temperature Sensor A Circuit Intermittent

Common causes:

• Faulty fuel temperature sensor
• Loose or corroded wiring connections to the fuel temperature sensor
• Short circuit in the wiring harness
• Issues with the Engine Control Module (ECM)

Common Misdiagnosis

OBD2 Code: P0183

Description: Fuel Temperature Sensor A Circuit Intermittent

Common Misdiagnosis: Replacing the fuel temperature sensor without checking for wiring issues or connector problems.

Common Diagnostic Steps

OBD2 Code: P0183

Description: Fuel Temperature Sensor A Circuit Intermittent

• Check for any loose or corroded connectors at the fuel temperature sensor.
• Inspect the wiring harness for any signs of damage, such as fraying or breaks.
• Test the fuel temperature sensor using a multimeter to ensure it is functioning correctly.
• Verify that there is proper voltage and ground at the sensor connector.
• If applicable, check for any related service bulletins from the vehicle manufacturer.
• Clear the code and perform a test drive to see if the code returns.