why is my Ford Explorer using so much oil between changes?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

536 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 excessive oil consumption in Ford Explorer. 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

•Allow the engine to cool before working on it to avoid burns.
•Disconnect the battery before performing electrical repairs.

Symptoms

•Visible oil leaks under the vehicle
•Exhaust smoke, especially during acceleration
•Engine oil warning light illuminated
•Low oil level on dipstick after a short period
•Engine misfires or rough idling
•Increased engine noise

Diagnostic Steps

1
Inspect the oil levels using the dipstick to confirm oil consumption.
2
Check for visible oil leaks around the engine and undercarriage.
3
Examine the exhaust for blue smoke, indicating oil burning.
4
Use an OBD-II scanner to check for any engine codes related to misfires or oil issues.
5
Inspect the PCV (Positive Crankcase Ventilation) system for blockages or malfunctions.
6
Conduct a compression test to assess engine health and identify potential internal 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
•Compression tester
•Socket set
•Pliers
•Oil catch pan

Parts Required

•Oil filter
•Engine oil (appropriate type)
•Gaskets or seals (if needed)
•PCV valve (if necessary)

Related Faults

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Diagnostic Steps

1
Inspect the oil levels using the dipstick to confirm oil consumption.
2
Check for visible oil leaks around the engine and undercarriage.
3
Examine the exhaust for blue smoke, indicating oil burning.
4
Use an OBD-II scanner to check for any engine codes related to misfires or oil issues.
5
Inspect the PCV (Positive Crankcase Ventilation) system for blockages or malfunctions.
6
Conduct a compression test to assess engine health and identify potential internal leaks.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface, and the engine is cool.
Disconnect the battery to prevent any electrical issues.

2. Inspect and Repair Oil Leaks

Tools Required: Socket set, oil catch pan, rags
Sub-steps:
1. Place an oil catch pan under the engine.
2. Clean the engine area to identify the source of leaks.
3. Tighten any loose bolts on the oil pan, valve covers, and oil filter.
4. Replace any damaged gaskets or seals (e.g., valve cover gasket, oil pan gasket).
5. Refill any lost oil to the appropriate level.

3. Replace PCV Valve

Tools Required: Pliers, socket set
Sub-steps:
1. Locate the PCV valve (usually on the valve cover or intake manifold).
2. Disconnect the PCV valve from the hose.
3. Remove the old PCV valve from its socket.
4. Install the new PCV valve securely.
5. Reconnect the hose ensuring a snug fit.

4. Perform Compression Test

Tools Required: Compression tester
Sub-steps:
1. Remove spark plugs from the engine.
2. Insert the compression tester into the spark plug hole.
3. Crank the engine and record the compression reading.
4. Repeat for all cylinders; compare results to manufacturer specifications.
5. If readings are low, consider rebuilding or replacing the engine components.