why does my Ford Explorer Fifth Generation (2011-2019) lose power going uphill

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

640 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 loss of power when driving uphill in Ford Explorer 2011-2019. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Engine

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Relieve fuel system pressure before servicing fuel components.
•Ensure the engine is cool before inspecting or working on any components.

Symptoms

•Engine hesitation or stuttering during acceleration
•Decreased acceleration response when pressing the gas pedal
•Unusual engine noises (e.g., knocking or pinging)
•Check engine light illuminated
•Poor fuel economy
•Increased engine temperature

Diagnostic Steps

1
Scan the vehicle's OBD-II system for any error codes related to the engine or transmission.
2
Check the transmission fluid level and condition, inspecting for any signs of contamination.
3
Inspect the air filter for clogs or restrictions that could limit airflow to the engine.
4
Test fuel pressure using a fuel pressure gauge to ensure adequate fuel delivery to the engine.
5
Inspect the throttle body for carbon buildup or other obstructions.
6
Check for vacuum leaks in the intake system that could affect engine performance.

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
•Screwdrivers
•Throttle body cleaner
•Wrenches
•Torque wrench

Parts Required

•Air filter
•Fuel filter
•Transmission fluid (if applicable)
•Throttle body cleaner

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan the vehicle's OBD-II system for any error codes related to the engine or transmission.
2
Check the transmission fluid level and condition, inspecting for any signs of contamination.
3
Inspect the air filter for clogs or restrictions that could limit airflow to the engine.
4
Test fuel pressure using a fuel pressure gauge to ensure adequate fuel delivery to the engine.
5
Inspect the throttle body for carbon buildup or other obstructions.
6
Check for vacuum leaks in the intake system that could affect engine performance.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Disconnect the battery to ensure safety while working on the vehicle.
Ensure the vehicle is on a flat surface and securely lift it if needed.

2. Inspect and Replace Air Filter

Sub-steps:
- Locate the air filter housing.
- Remove the screws or clamps securing the air filter housing cover.
- Take out the old air filter and inspect it for dirt and damage.
- Install a new air filter, ensuring it fits snugly in the housing.
- Reattach the housing cover and secure it with screws or clamps.

3. Check and Replace Fuel Filter

Sub-steps:
- Locate the fuel filter; refer to the service manual for exact position.
- Relieve the fuel system pressure by removing the fuel pump fuse and running the engine until it stalls.
- Disconnect the fuel lines from the filter using appropriate line wrenches.
- Remove the old fuel filter and install the new one, ensuring the correct flow direction is followed.
- Reconnect the fuel lines and replace the fuel pump fuse.

4. Clean Throttle Body

Sub-steps:
- Remove any air intake ducting connected to the throttle body.
- Spray throttle body cleaner onto a clean cloth and wipe the interior of the throttle body.
- Move the throttle plate with your hand to clean behind it thoroughly.
- Reattach the air intake ducting securely.

5. Fluid Inspection and Replacement

Sub-steps:
- Check the transmission fluid level using the dipstick; add fluid if low.
- If fluid is contaminated or burnt, drain and replace the transmission fluid and filter as per manufacturer specifications.
- Use a funnel to refill the transmission fluid, ensuring the correct type is used.