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why is my Ford Explorer getting poor fuel economy all of a sudden - Ford Explorer
Home/Cars/Ford/Explorer/Sixth Generation (2020-present)/why is my Ford Explorer getting poor fuel economy all of a sudden

why is my Ford Explorer getting poor fuel economy all of a sudden

Ford Explorer Sixth Generation (2020-present)

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

Problem Statement

Learn how to diagnose and fix poor fuel economy in Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Fuel System
Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical components.
  • •Allow the engine to cool before inspecting the exhaust system.

Symptoms

  • •Check engine light illuminated
  • •Decreased miles per gallon (MPG)
  • •Rough engine idle
  • •Increased exhaust emissions
  • •Unusual engine noises
  • •Fuel odor near the engine compartment

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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

  • •OBD-II scanner
  • •Fuel pressure gauge
  • •Socket set
  • •Tire pressure gauge
  • •Air compressor

Parts Required

  • •Air filter
  • •Spark plugs
  • •Fuel filter (if necessary)

Additional Information

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

Related Faults

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Disconnect the battery to ensure safety while working on the vehicle.
2. Address Fault Codes
  • Use the OBD-II scanner to retrieve and note any error codes.
  • Research the codes to determine if specific components need attention.
3. Fuel System Inspection
  • Tools Required: Fuel pressure gauge
  • Connect the fuel pressure gauge to the fuel rail.
  • Turn the ignition to the "ON" position without starting the engine to check for proper fuel pressure (refer to manufacturer's specifications).
  • If low, inspect the fuel filter and fuel pump for blockages or failures.
4. Air Filter Replacement
  • Tools Required: Screwdriver or socket set
  • Locate the air filter housing and remove the cover.
  • Take out the old air filter and inspect for dirt and debris.
  • Install a new air filter and secure the housing cover.
5. Spark Plug Inspection
  • Tools Required: Socket set, spark plug socket
  • Remove the ignition coil or spark plug wires.
  • Unscrew the spark plugs and inspect for wear or deposits.
  • Replace with new spark plugs as needed, following the manufacturer’s specifications for torque.
6. Tire Pressure Adjustment
  • Tools Required: Tire pressure gauge, air compressor
  • Check each tire's pressure using the gauge.
  • Inflate or deflate tires to reach the recommended PSI as indicated on the driver’s door jamb.
7. Exhaust System Check
  • Visually inspect the exhaust for any signs of leaks or damage.
  • If leaks are found, replace the damaged sections of the exhaust system.