what should I do if my Ford Explorer Sixth Generation (2020-present) won't accelerate

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

566 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 Sixth Generation. Step-by-step guide with diagnostic procedures 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 fuel system to prevent burns.

Symptoms

•Check engine light illuminated
•Engine stalling during acceleration
•Unresponsive throttle
•Poor fuel economy
•Engine misfires
•Unusual noises from the engine bay when attempting to accelerate

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any fault codes.
2
Check the fuel level and ensure it is adequate for normal operation.
3
Inspect the throttle body and accelerator pedal for any physical obstructions or damage.
4
Examine the air intake system for blockages or leaks.
5
Test the fuel pressure using a fuel pressure gauge to ensure proper fuel delivery.
6
Inspect the transmission fluid level and condition; check for any leaks.

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
•Multimeter
•Basic hand tools

Parts Required

•Throttle body cleaner
•Fuel filter (if necessary)
•Transmission fluid (if necessary)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any fault codes.
2
Check the fuel level and ensure it is adequate for normal operation.
3
Inspect the throttle body and accelerator pedal for any physical obstructions or damage.
4
Examine the air intake system for blockages or leaks.
5
Test the fuel pressure using a fuel pressure gauge to ensure proper fuel delivery.
6
Inspect the transmission fluid level and condition; check for any leaks.

Solution

1. Preparation

Tools Required: OBD-II scanner, fuel pressure gauge, socket set, multimeter, basic hand tools.
Ensure the vehicle is parked on a flat surface and the engine is off. Disconnect the battery for safety.

2. Address Error Codes

Connect the OBD-II scanner to the vehicle's diagnostic port.
Retrieve and document any stored error codes.
Clear the codes and take the vehicle for a short test drive to see if any codes return. If they do, address the specific issues indicated by the codes.

3. Inspect and Clean Throttle Body

Remove the air intake duct connected to the throttle body.
Use throttle body cleaner and a clean cloth to remove carbon buildup from the throttle body.
Ensure the throttle plate opens and closes smoothly.
Reinstall the air intake duct securely.

4. Check Fuel System

Connect the fuel pressure gauge to the fuel rail service port.
Turn the ignition key to the "On" position without starting the engine to check fuel pressure. It should be within manufacturer specifications (typically around 50-60 psi for modern vehicles).
If pressure is low, inspect the fuel pump and fuel filter for issues. Replace as necessary.

5. Transmission Fluid Check

Locate the transmission dipstick and remove it.
Check the fluid level; it should be within the marked range on the dipstick. If low, add the appropriate transmission fluid as specified in the owner’s manual.
Inspect for any leaks around the transmission pan and seals.