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Why is my 2022 Ford Explorer consuming excessive fuel? - Ford Explorer
Home/Cars/Ford/Explorer/Sixth Generation (2020-present)/Why is my 2022 Ford Explorer consuming excessive fuel?

Why is my 2022 Ford Explorer consuming excessive fuel?

Ford Explorer Sixth Generation (2020-present)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
4 min read
683 words

Problem Statement

Learn how to diagnose and fix excessive fuel consumption issues in your 2022 Ford Explorer with our step-by-step guide.

Affected Component
Fuel System
Estimated Time
2-4 hours

Symptoms

  • •Decreased miles per gallon (MPG)
  • •Frequent refueling
  • •Strong fuel odor
  • •Poor engine performance (loss of power)
  • •Check Engine Light (CEL) illuminated

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

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

  • •Basic hand tools (screwdrivers, pliers, etc.)
  • •OBD-II scanner
  • •Fuel pressure gauge
  • •Multimeter
  • •MAF sensor cleaner

Additional Information

Affected Component
Fuel System
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
5 items

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Back to Generation
Problem: Excessive Fuel Consumption in 2022 Ford Explorer
Possible Causes
  1. Faulty Fuel Injectors
  2. Dirty Air Filter
  3. Faulty Mass Air Flow (MAF) Sensor
  4. Tire Pressure Issues
  5. Engine Oil Quality
  6. Exhaust System Blockage
  7. Driving Habits

Step 1: Visual Inspection

  • Tools Required: Basic hand tools (screwdrivers, pliers, etc.)
  • Instructions:
    1. Open the hood and inspect the engine bay for any visible leaks, especially around fuel lines.
    2. Check the air filter; if it's dirty or clogged, it needs replacement.
    3. Inspect the tire pressure using a tire pressure gauge. Ensure all tires are at the recommended PSI.

Step 2: Check for Diagnostic Trouble Codes (DTCs)

  • Tools Required: OBD-II scanner
  • Instructions:
    1. Connect the OBD-II scanner to the vehicle's diagnostic port (typically located under the dashboard).
    2. Turn on the ignition (do not start the engine) and check for any stored codes.
    3. Note any codes related to fuel system or air intake issues (e.g., P0171, P0174 for lean conditions).

Step 3: Fuel Injector Testing

  • Tools Required: Fuel pressure gauge, multimeter
  • Instructions:
    1. Connect the fuel pressure gauge to the fuel rail to measure the fuel pressure.
    2. Compare the reading with the manufacturer's specifications (typically 55-65 psi for the Explorer).
    3. If the pressure is low, check the fuel pump and filter.
    4. Use a multimeter to check the resistance of the fuel injectors. They should be within the specified range (usually 12-16 ohms).

Step 4: MAF Sensor Inspection

  • Tools Required: MAF sensor cleaner, multimeter
  • Instructions:
    1. Locate the MAF sensor (usually between the air filter and throttle body).
    2. Remove the sensor and clean it with MAF sensor cleaner. Do not touch the sensor element with your fingers.
    3. Reinstall and check for any DTCs again after cleaning.

Step 5: Test Driving and Monitoring

  • Tools Required: OBD-II scanner (for live data)
  • Instructions:
    1. After performing the above tests, take the vehicle for a test drive.
    2. Monitor live data using the OBD-II scanner to check air-fuel ratio readings and MAF sensor output.
    3. Note any irregularities in throttle response or fuel consumption during the drive.
Repair Instructions

Repairing or Replacing Fuel Injectors

  1. If faulty:
    • Remove the intake manifold to access the fuel rail.
    • Disconnect the fuel lines and electrical connectors.
    • Remove the fuel injector retaining clips and carefully pull out the injectors.
    • Install new injectors and reverse the steps for reinstallation.

Replacing Air Filter

  1. If dirty:
    • Open the air filter housing by loosening the retaining clips or screws.
    • Remove the old air filter and replace it with a new one.
    • Ensure the housing is sealed properly before closing.

Replacing MAF Sensor

  1. If cleaning does not resolve the issue:
    • Disconnect the electrical connector and remove the screws holding the MAF sensor.
    • Install a new sensor and reconnect the electrical connector.
    • Clear DTCs and test drive.

Tire Pressure Adjustment

  1. If tires are under-inflated:
    • Use an air compressor to inflate tires to the recommended pressure found on the driver’s door jamb.

Engine Oil Change

  1. If oil is dirty or low:
    • Drain the old oil using an oil drain pan.
    • Replace the oil filter using an oil filter wrench.
    • Refill the engine with manufacturer-recommended oil.

Exhaust System Check

  1. If blockage is suspected:
    • Inspect the exhaust system for any visible blockages or damage.
    • Use a vacuum gauge to check back pressure in the exhaust system.
Conclusion

By following the steps outlined above, you can identify and rectify the cause of excessive fuel consumption in your 2022 Ford Explorer. If the problem persists after performing these tests and repairs, it may be advisable to consult a professional technician for a more in-depth diagnosis.