FAULTBASE
NEWSASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/BMW/X5/F15 (2014-2019)/what does it mean if the fuel pump relay is not working in my BMW X5 F15 (2014-2019)

what does it mean if the fuel pump relay is not working in my BMW X5 F15 (2014-2019)

BMW X5 F15 (2014-2019)

Severity: mediumDifficulty: medium1-2 hours
3 min read
413 words

Problem Statement

## Problem Statement The fuel pump relay in a 2014-2019 BMW X5 F15 is not functioning, which can lead to fuel delivery issues and affect the engine's performance.

Repair Time
1-2 hours

Safety Warnings

  • ⚠Safety Warnings:**
  • ⚠Disconnect the battery before working on electrical components to prevent short circuits.

Symptoms

  • •Engine cranks but fails to start
  • •Intermittent loss of power while driving
  • •Fuel gauge may show incorrect readings
  • •Fuel pump noise is absent when the ignition is turned on
  • •Check engine light illuminated

Diagnostic Steps

  1. 1Inspect the fuel pump relay fuse for continuity using a multimeter.
  2. 2Check the fuel pump relay operation by swapping it with a similar relay in the fuse box.
  3. 3Use an OBD-II scanner to check for any related trouble codes.
  4. 4Verify the power supply to the fuel pump relay using a multimeter.
  5. 5Inspect wiring and connectors for damage or loose connections.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Disconnect the negative battery terminal to ensure safety.

2. Remove the Fuel Pump Relay

  • Locate the fuel pump relay in the fuse box (consult owner's manual for exact location).
  • Use a socket set to remove the relay from its socket.

3. Inspect and Test the Relay

  • Using a multimeter, test for continuity across the relay terminals.
    • If no continuity is found, replace the relay.
  • If continuity is present, check the relay's activation by applying a voltage to the appropriate terminals.

4. Replace the Relay

  • If the relay is faulty, install a new fuel pump relay.
  • Ensure it is seated properly in the fuse box.

5. Reconnect Battery and Test

  • Reconnect the negative battery terminal.
  • Turn the ignition to the ON position and listen for the fuel pump operation.
  • Start the engine to confirm it runs smoothly.

Verification

After completing the repair, verify that the issue has been resolved:

  • Test the affected component to ensure it functions correctly
  • Check for any error codes or warning lights
  • Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • Multimeter
  • Socket set
  • OBD-II scanner

Parts Required

  • New fuel pump relay (if defective)

Additional Information

Repair Time

1-2 hours

Difficulty

medium

Severity

medium

Tools

3 items

Parts

1 items

Related Faults

Discover similar issues

  1. my BMW X5 F15 (2014-2019) battery keeps dying what could it be

    ## Problem Statement The battery in a BMW X5 F15 (2014-2019) is continually discharging, indicating a potential issue with the electrical system or ba...

    Symptoms
    • •Battery warning light illuminated on the dashboard
    • •Difficulty starting the engine
    • +{count} more

  2. how to fix my BMW X5 F15 (2014-2019) that has a weak battery

    ## Problem Statement The BMW X5 F15 (2014-2019) is experiencing symptoms associated with a weak battery, leading to difficulty starting the vehicle an...

    Symptoms
    • •Engine cranks slowly or does not start
    • •Interior lights are dim or flickering
    • +{count} more

  3. how to solve the DPF warning in my BMW X5 F15 (2014-2019)

    ## Problem Statement The Diesel Particulate Filter (DPF) warning light is illuminated on a BMW X5 F15 (2014-2019), indicating that the DPF is either b...

    Symptoms
    • •DPF warning light illuminated on the dashboard
    • •Decreased engine performance or power
    • +{count} more

  4. why does my BMW X5 F15 (2014-2019) make a grinding noise when braking

    ## Problem Statement The BMW X5 F15 (2014-2019) is experiencing a grinding noise when braking, indicating potential issues with the braking system.

    Symptoms
    • •Grinding noise when brakes are applied
    • •Vibration felt in the brake pedal
    • +{count} more

  5. how to diagnose electrical problems in BMW X5 F15 (2014-2019)

    ## Problem Statement Diagnosing electrical problems in a 2014-2019 BMW X5 F15 requires a systematic approach to identify the source of electrical issu...

    Symptoms
    • •Check engine light illuminated
    • •Inoperative electrical components (e.g., windows, lights, infotainment)
    • +{count} more

  6. how to diagnose turbo lag issues in BMW X5 F15 (2014-2019)

    ## Problem Statement Turbo lag issues in a BMW X5 F15 (2014-2019) can lead to delayed throttle response and reduced performance, affecting overall dri...

    Symptoms
    • •Noticeable delay in acceleration after pressing the gas pedal
    • •Unresponsive throttle during low RPMs
    • +{count} more

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation