P0184 - Fuel Temperature Sensor A Range/Performance Problem (Common in Ford and Chevrolet Models)

Quick Answer

P0184 means: P0184 indicates a problem with the fuel temperature sensor A, affecting fuel mixture and engine performance.

Fix: Check and replace faulty components Cost: $150 - $300 Time: 90-180 minutes

Can I drive with P0184? Address this issue soon to prevent further engine complications.

Common Questions

What does P0184 mean and how does it affect my car?

The P0184 code indicates an issue with the fuel temperature sensor A, which is vital for maintaining the correct fuel-to-air ratio. When this sensor fails, it can lead to poor engine performance, reduced fuel efficiency, and increased emissions. Ignoring the code can result in more severe engine complications and costly repairs down the line.

What are the most common causes of P0184 and how much does it cost to fix?

Common causes of P0184 include a faulty fuel temperature sensor, damaged wiring, or even a malfunctioning PCM. Repair costs can vary, with sensor replacement typically ranging from $150 to $300, while wiring repairs may cost between $100 and $200. More extensive repairs, such as PCM replacement, can be significantly more expensive, between $500 and $1,000.

Can I drive my car with P0184 or should I stop immediately?

While you can technically drive with the P0184 code, it is not advisable. The vehicle may experience poor performance, increased emissions, and potential stalling. It's best to have the issue diagnosed and repaired as soon as possible to avoid further damage.

How can I diagnose P0184 myself using GeekOBD APP?

To diagnose P0184 using the GeekOBD APP, start by connecting the app to your vehicle's OBD2 port. Retrieve the diagnostic codes and freeze frame data, which will provide insights into the fault's context. Use the app to monitor live data from the fuel temperature sensor to check for inconsistencies.

What vehicles are most commonly affected by P0184?

P0184 is frequently reported in various Ford and Chevrolet models, particularly the 2006-2011 Ford F-150 and the 2007-2013 Chevrolet Silverado. It's important to check for any recalls or Technical Service Bulletins (TSBs) related to these models that address similar issues.

How can I prevent P0184 from happening again?

To prevent the P0184 code from reoccurring, regularly inspect and maintain your vehicle’s fuel system, including checking for fuel contamination and ensuring that all connectors and wiring are in good condition. Routine maintenance, such as timely oil changes and fuel system cleanings, can also help extend the lifespan of the fuel temperature sensor.

What is P0184?

The Diagnostic Trouble Code (DTC) P0184 indicates a problem with the fuel temperature sensor A, specifically pointing to a range or performance issue. This code is prevalent in vehicles manufactured by Ford and Chevrolet, particularly the 2006-2011 Ford F-150 and 2007-2013 Chevrolet Silverado. The fuel temperature sensor is crucial because it monitors the temperature of the fuel entering the engine. If the sensor is malfunctioning, it can lead to incorrect fuel mixture readings, potentially causing poor engine performance, decreased fuel efficiency, and even stalling. When this code appears, it often triggers the Check Engine Light (CEL) and can result in the vehicle's powertrain control module (PCM) entering a fail-safe mode to protect the engine. Ignoring this code may lead to more severe engine performance issues, reduced fuel economy, and increased emissions. Therefore, understanding and addressing the P0184 code promptly is essential for maintaining your vehicle's performance and longevity.

System: P - Powertrain (Engine, Transmission, Emissions)

Symptoms

Common symptoms when P0184 is present:

  • Check engine light remains illuminated, indicating a persistent issue that requires attention.
  • Engine may hesitate or stutter during acceleration, making it difficult to maintain speed.
  • Fuel economy may decrease by 10-15%, leading to more frequent fuel stops and increased costs.
  • Possible rough idle when the engine is running, affecting driving comfort and stability.
  • In some cases, the engine may stall unexpectedly, posing safety risks while driving.

Possible Causes

Most common causes of P0184 (ordered by frequency):

  1. Faulty fuel temperature sensor (70% likelihood) - This is the most common cause, often due to wear and tear over time.
  2. Damaged wiring or connectors (20% likelihood) - Corrosion or physical damage can disrupt the signal between the sensor and the PCM.
  3. Faulty PCM (5% likelihood) - While rare, a malfunctioning PCM can misinterpret sensor data, leading to erroneous codes.
  4. Fuel contamination (3% likelihood) - Contaminated fuel can affect sensor performance and accuracy.
  5. Electrical issues (2% likelihood) - Problems within the vehicle's electrical system can impact sensor functionality.

P0184 Repair Costs

Cost Breakdown by Repair Type

Fuel Temperature Sensor Replacement

Replacing the faulty fuel temperature sensor to restore proper functionality.

  • Total: $150 - $300
  • Success rate: 85%
Wiring Repair

Repairing or replacing damaged wiring or connectors associated with the fuel temperature sensor.

  • Total: $100 - $200
  • Success rate: 90%
PCM Replacement

In rare cases, replacing the PCM if it is determined to be faulty.

  • Total: $500 - $1,000
  • Success rate: 75%
Money-Saving Tips for P0184
  • Start with the most common and least expensive repairs first
  • Use GeekOBD APP to confirm diagnosis before replacing expensive parts
  • Consider preventive maintenance to avoid future occurrences
  • Compare prices for OEM vs aftermarket parts based on your needs
  • Address the issue promptly to prevent more expensive secondary damage

Diagnostic Steps

Professional P0184 Diagnosis Process

Follow these systematic steps to accurately diagnose P0184. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Look for damaged wiring, loose connections, or corrosion around the fuel temperature sensor (5-10 minutes)

Step 1: Initial visual inspection - Look for damaged wiring, loose connections, or corrosion around the fuel temperature sensor (5-10 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 2: Step 2: OBD2 scan with GeekOBD APP - Use the app to retrieve all codes and freeze frame data, helping to understand the fault context (10-15 minutes)

Step 2: OBD2 scan with GeekOBD APP - Use the app to retrieve all codes and freeze frame data, helping to understand the fault context (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 3: Step 3: Component testing - Test the fuel temperature sensor using a multimeter to check for proper voltage and resistance (20-30 minutes)

Step 3: Component testing - Test the fuel temperature sensor using a multimeter to check for proper voltage and resistance (20-30 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 4: Step 4: System function test - After repairs, verify proper operation by conducting a function test and clear the codes (10-15 minutes)

Step 4: System function test - After repairs, verify proper operation by conducting a function test and clear the codes (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 5: Step 5: Road test verification - Drive the vehicle under various conditions to ensure the repair was successful (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to ensure the repair was successful (15-20 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.

Important Notes

  • Always verify the repair with GeekOBD APP after completing diagnostic steps
  • Clear codes and test drive to ensure the problem is resolved
  • Address underlying causes to prevent code recurrence

Real Repair Case Studies

Case Study 1: Fuel Temperature Sensor Replacement in a 2010 Ford F-150

Vehicle: 2010 Ford F-150, 85,000 miles

Problem: The customer reported a persistent Check Engine Light and reduced fuel economy.

Diagnosis: Using the GeekOBD APP, the technician confirmed the P0184 code and performed a visual inspection, identifying a faulty fuel temperature sensor.

Solution: The fuel temperature sensor was replaced, and the system was reset.

Cost: $220 (sensor: $150, labor: $70)

Result: After the repair, the Check Engine Light was cleared, and the customer reported improved fuel economy.

Case Study 2: Wiring Repair for a 2008 Chevrolet Silverado

Vehicle: 2008 Chevrolet Silverado, 90,000 miles

Problem: The vehicle experienced intermittent stalling and a Check Engine Light.

Diagnosis: Diagnostic steps revealed a P0184 code and damaged wiring leading to the fuel temperature sensor.

Solution: The damaged wiring was repaired, restoring proper connectivity.

Cost: $150 (labor: $100, wiring parts: $50)

Result: Post-repair, the vehicle ran smoothly without further issues, and the Check Engine Light remained off.

Diagnose P0184

Use GeekOBD APP for professional diagnosis!

  • Real-time data monitoring
  • Advanced diagnostic features
  • Step-by-step repair guidance
  • Professional-grade analysis
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Code Information

Code: P0184
System: Powertrain (Engine, Transmission, Emissions)
Severity: MEDIUM
Category: Engine Codes