what should I do if my Ford Explorer Fifth Generation (2011-2019) won’t accelerate?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

525 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 acceleration issues 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 systems.
•Allow the engine to cool before inspecting the throttle body or any engine components.

Symptoms

•Check engine light illuminated
•Engine stalling or hesitation during acceleration
•Poor fuel economy
•Unusual noises from the engine or transmission
•Transmission slipping or failing to engage
•Decreased power when climbing hills

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Check the fuel level and ensure that the fuel pump is functioning correctly.
3
Inspect the air filter for clogging and replace if necessary.
4
Examine the throttle body for carbon buildup and clean if required.
5
Test the transmission fluid level and condition, adding or replacing fluid as necessary.
6
Inspect the spark plugs and ignition coils for wear or failure.

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
•Socket set
•Throttle body cleaner
•Soft cloth
•Spark plug socket

Parts Required

•Spark plugs
•Transmission fluid (as specified in the owner's manual)
•Air filter (if needed)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Check the fuel level and ensure that the fuel pump is functioning correctly.
3
Inspect the air filter for clogging and replace if necessary.
4
Examine the throttle body for carbon buildup and clean if required.
5
Test the transmission fluid level and condition, adding or replacing fluid as necessary.
6
Inspect the spark plugs and ignition coils for wear or failure.

Solution

1. Preparation

Gather the necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the engine is off.
Disconnect the battery to prevent electrical shorts.

2. Clean the Throttle Body

Remove the air intake duct connected to the throttle body.
Use throttle body cleaner and a soft cloth to clean the inside of the throttle body.
Reattach the air intake duct securely.

3. Inspect and Replace Spark Plugs

Remove the ignition coil covers (if applicable) using a socket set.
Disconnect the ignition coils and remove them from the spark plugs.
Use a spark plug socket to remove the spark plugs and check for wear or damage.
Replace with new spark plugs, ensuring they are gapped correctly according to specifications.
Reinstall the ignition coils and covers.

4. Check and Replace Transmission Fluid

Locate the transmission dipstick and remove it to check the fluid level.
If low, add the appropriate type of transmission fluid as specified in the owner's manual.
If the fluid is burnt or contaminated, perform a fluid change by draining and refilling with new fluid.

5. Reconnect Battery and Test Drive

Reconnect the battery terminals securely.
Start the engine and allow it to idle for a few minutes.
Perform a test drive to check for improvements in acceleration.