how to diagnose Ford Explorer Sixth Generation (2020-present) turbo issues

Ford Explorer Sixth Generation (2020-present)

Error Codes

4-8 hours

Time

hard

Difficulty

high

Severity

3 min read

523 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 turbo issues in Ford Explorer Sixth Generation (2020-present). Step-by-step guide with symptoms and repair instructions.

Affected Component

Engine

Estimated Time

4-8 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow engine to cool before opening any components.

Symptoms

•Check engine light illuminated
•Loss of power during acceleration
•Whistling or hissing noise from the engine bay
•Increased turbo lag
•Poor fuel economy
•Smoke from the exhaust

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific turbo-related codes.
2
Inspect the turbocharger for visible damage or signs of oil leaks.
3
Check the intake and exhaust systems for blockages or restrictions.
4
Evaluate the wastegate operation by manually testing or monitoring with a scanner.
5
Verify the operation of the boost control solenoid and associated wiring.
6
Measure the boost pressure using a boost gauge while the engine is under load.

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
•Torque wrench
•Boost gauge
•Screwdrivers
•Pliers

Parts Required

•Turbocharger (if damaged)
•Wastegate actuator (if faulty)
•Oil supply and return lines (if clogged)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific turbo-related codes.
2
Inspect the turbocharger for visible damage or signs of oil leaks.
3
Check the intake and exhaust systems for blockages or restrictions.
4
Evaluate the wastegate operation by manually testing or monitoring with a scanner.
5
Verify the operation of the boost control solenoid and associated wiring.
6
Measure the boost pressure using a boost gauge while the engine is under load.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Disconnect the battery to ensure safety while working on the vehicle.
Allow the engine to cool before starting the repair.

2. Remove the Turbocharger

Lift the vehicle and secure it on jack stands.
Remove the intake duct leading to the turbocharger.
Disconnect the exhaust downpipe from the turbo.
Detach the oil supply and return lines from the turbocharger.
Unbolt and remove the turbocharger from the manifold.

3. Inspect and Replace Components

Inspect the turbocharger for any internal damage or excessive shaft play.
Check the wastegate actuator for proper operation; replace if faulty.
Clean or replace any clogged oil supply lines or filters.
If the turbocharger is damaged, install a new or remanufactured unit.

4. Reinstall the Turbocharger

Position the new or repaired turbocharger onto the manifold and secure it with the appropriate torque specifications (usually around 18-25 lb-ft).
Reconnect the oil supply and return lines, ensuring they are tight and leak-free.
Reattach the exhaust downpipe and intake duct.

5. Final Checks

Reconnect the battery.
Start the engine and check for leaks around the turbo and associated lines.
Test drive the vehicle to ensure that the turbo is functioning properly and there are no remaining symptoms.