my Ford Explorer Fifth Generation (2011-2019) is consuming too much fuel what should I do

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

582 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix excessive fuel consumption in Ford Explorer (2011-2019). 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 systems
•Relieve fuel system pressure before disconnecting fuel lines to prevent fuel spray

Symptoms

•Check engine light illuminated
•Poor acceleration response
•Strong fuel odor
•Engine stalling during idle
•Decreased fuel economy (lower miles per gallon)
•Increased emissions (visible exhaust smoke)

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any diagnostic trouble codes (DTCs)
2
Check fuel pressure using a fuel pressure gauge to ensure it is within specifications
3
Inspect air filter for clogging or restrictions that may affect airflow
4
Examine the fuel injectors for leaks or clogs
5
Inspect the exhaust system for blockages or leaks
6
Verify tire pressure; ensure all tires are inflated to the manufacturer's recommended levels

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
•Screwdriver
•Clean cloth
•Fuel injector cleaning kit
•Basic hand tools
•Tire pressure gauge
•Air compressor or tire inflator

Parts Required

•Replacement air filter
•Fuel injector cleaning kit (if applicable)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any diagnostic trouble codes (DTCs)
2
Check fuel pressure using a fuel pressure gauge to ensure it is within specifications
3
Inspect air filter for clogging or restrictions that may affect airflow
4
Examine the fuel injectors for leaks or clogs
5
Inspect the exhaust system for blockages or leaks
6
Verify tire pressure; ensure all tires are inflated to the manufacturer's recommended levels

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the battery to ensure safety during repairs.
Allow the vehicle to cool down before working on any components.

2. Replace Air Filter

Sub-steps:
1. Locate the air filter housing and remove any screws or clips securing it.
2. Carefully remove the old air filter from the housing.
3. Clean the air filter housing with a clean cloth.
4. Install the new air filter, ensuring it fits snugly.
5. Reattach the housing cover and secure it with screws or clips.
Tools Required: Screwdriver, clean cloth.

3. Inspect and Clean Fuel Injectors

Sub-steps:
1. Relieve fuel system pressure by removing the fuel pump fuse and starting the engine until it stalls.
2. Disconnect the fuel lines from the injectors (be cautious of fuel spillage).
3. Remove the fuel injectors from the fuel rail (if necessary, follow vehicle-specific procedures).
4. Use a fuel injector cleaning kit or ultrasonic cleaner to clean the injectors.
5. Reinstall the injectors and reconnect fuel lines securely.
Tools Required: Fuel injector cleaning kit, basic hand tools.

4. Check Exhaust System

Sub-steps:
1. Visually inspect the exhaust system for any visible leaks, especially at joints and welds.
2. Use soapy water to check for leaks; bubbles will form at leak points.
3. If leaks are found, replace the affected components or use exhaust tape as a temporary fix.
Tools Required: Visual inspection tools, soapy water.

5. Tire Pressure Adjustment

Sub-steps:
1. Check the tire pressure using a tire pressure gauge.
2. Inflate or deflate tires to the recommended pressure found on the driver’s door jamb.
Tools Required: Tire pressure gauge, air compressor or tire inflator.