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P0184 OBD2: Fuel Temperature Sensor "A" Circuit Intermittent

P0184 OBD2: Fuel Temperature Sensor “A” Circuit Intermittent

What Does the P0184 Code Mean?

OBD-II Code P0184 is defined as a Fuel Temperature Sensor “A” Circuit Intermittent. This code indicates that the engine control module (PCM) has detected an implausible signal from the Fuel Temperature Sensor, which measures the temperature of the fuel.

What Causes the P0184 Code?

The P0184 code can be triggered by several issues, including:

  • Fuel temperature sensor failure
  • Powertrain Control Module (PCM) failure
  • Wiring issues, such as short circuits or disconnections

What Are the Symptoms of the P0184 Code?

Common symptoms associated with the P0184 code include:

  • Check Engine Light illuminated
  • Potential engine performance issues
  • Unusual fuel consumption
  • Engine stalling or hesitation

How Serious Is the P0184 Code?

The severity of the P0184 code is considered moderate. While it may not immediately threaten the vehicle’s safety or functionality, it is advisable to diagnose the issue promptly to prevent further complications and maintain optimal vehicle performance.

How to Diagnose the P0184 Code

Proper diagnosis of the P0184 code typically involves the following steps:

  • Using an OBD-II scanner to confirm the presence of the code
  • Inspecting the Fuel Temperature Sensor and related wiring for damage or disconnections
  • Testing the Fuel Temperature Sensor’s resistance and voltage output
  • Checking the Powertrain Control Module (PCM) for any faults

Common Repairs for the P0184 Code

Common repairs for the P0184 code may include:

  • Replacing the faulty Fuel Temperature Sensor
  • Repairing or replacing damaged wiring
  • Reprogramming or replacing the PCM if necessary

How Much Does It Cost to Fix the P0184 Code?

The cost to fix the P0184 code can vary significantly based on the specific issue. Typical repair costs may range from $100 to $500, depending on whether the problem is a simple wiring fix or a more complex component replacement.

Can I Fix the P0184 Code Myself?

If you have experience with automotive repairs and a good understanding of electrical systems, you may be able to diagnose and fix the P0184 code yourself. However, for those who are not comfortable with such repairs, it is recommended to seek the assistance of a professional mechanic to ensure proper diagnosis and repair.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

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