why is my Ford Explorer using oil and not leaking

Ford Explorer Sixth Generation (2020-present)

Error Codes

3-5 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 oil consumption issues in Ford Explorer. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Engine

Estimated Time

3-5 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before performing any tests or repairs.

Symptoms

•Check engine light illuminated
•Increased oil consumption between oil changes
•Blue smoke from the exhaust during acceleration
•Engine knocking or ticking noises
•Oil fouling on spark plugs
•Poor engine performance or rough idling

Diagnostic Steps

1
Check the engine oil level and condition using the dipstick.
2
Inspect the engine for any signs of oil consumption, such as oil on the exhaust or around the engine components.
3
Conduct a compression test to assess the condition of the engine cylinders.
4
Perform a leak-down test to identify any potential leaks in the piston rings or valves.
5
Examine the PCV (Positive Crankcase Ventilation) system for malfunctions or blockages.
6
Inspect the turbocharger (if equipped) for oil leaks or failures.

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

•Compression tester
•Leak-down tester
•Socket set
•Screwdriver
•Vacuum gauge

Parts Required

•PCV valve (if replacement is necessary)
•Piston rings (if wear is identified)

Related Faults

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Diagnostic Steps

1
Check the engine oil level and condition using the dipstick.
2
Inspect the engine for any signs of oil consumption, such as oil on the exhaust or around the engine components.
3
Conduct a compression test to assess the condition of the engine cylinders.
4
Perform a leak-down test to identify any potential leaks in the piston rings or valves.
5
Examine the PCV (Positive Crankcase Ventilation) system for malfunctions or blockages.
6
Inspect the turbocharger (if equipped) for oil leaks or failures.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the battery to ensure safety while working.

2. Perform a Compression Test

Tools Required: Compression tester
Remove all spark plugs using a socket set.
Insert the compression tester into the first cylinder and crank the engine for a few seconds.
Record the compression reading and repeat for each cylinder.
Compare readings; significantly low values indicate issues with piston rings or valves.

3. Conduct a Leak-Down Test

Tools Required: Leak-down tester
With the engine at TDC (Top Dead Center) for the compression stroke, connect the leak-down tester to the cylinder.
Apply compressed air and listen for leaks. Record results.
A high percentage of leakage indicates worn piston rings or valve issues.

4. Inspect the PCV System

Tools Required: Screwdriver, vacuum gauge
Locate the PCV valve and remove it. Check for blockages and ensure it operates freely.
Inspect hoses connected to the PCV system for cracks or blockages.
If the PCV valve is faulty, replace it with a new one as per manufacturer specifications.

5. Address Oil Consumption

If compression and leak-down tests indicate wear, consider an engine rebuild or replacing piston rings.
Replace any damaged components identified during inspections.