why is my Ford Explorer consuming too much oil

Ford Explorer Fifth Generation (2011-2019)

Error Codes

4-8 hours

Time

hard

Difficulty

high

Severity

3 min read

427 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

4-8 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

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

Symptoms

•Oil warning light illuminated
•Blue smoke from the exhaust
•Frequent oil top-ups needed
•Engine misfires or rough idling
•Unusual engine noises (ticking or knocking)

Diagnostic Steps

1
Check the engine oil level and condition using the dipstick.
2
Inspect for external oil leaks around the engine and under the vehicle.
3
Perform a compression test on the cylinders to evaluate engine health.
4
Use a vacuum gauge to check for signs of excessive crankcase pressure.
5
Inspect the PCV (Positive Crankcase Ventilation) valve and hoses for blockages or failures.
6
Conduct a visual inspection for worn piston rings or valve seals.

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

•Wrench set
•Socket set
•Oil catch pan
•Oil filter wrench
•Torque wrench
•Engine hoist
•Piston ring compressor

Parts Required

•PCV valve
•Piston rings (if replacement is necessary)
•Engine oil (new)

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Diagnostic Steps

1
Check the engine oil level and condition using the dipstick.
2
Inspect for external oil leaks around the engine and under the vehicle.
3
Perform a compression test on the cylinders to evaluate engine health.
4
Use a vacuum gauge to check for signs of excessive crankcase pressure.
5
Inspect the PCV (Positive Crankcase Ventilation) valve and hoses for blockages or failures.
6
Conduct a visual inspection for worn piston rings or valve seals.

Solution

1. Preparation

Tools Required: Wrench set, socket set, oil catch pan, oil filter wrench, torque wrench.
Drain the engine oil completely and replace it with fresh oil to prevent contamination during repairs.

2. Inspect and Replace PCV Valve

Remove the PCV valve from its housing using a socket or wrench.
Inspect the valve for clogs or damage; replace if necessary.
Reinstall the new PCV valve ensuring it fits snugly.

3. Replace Piston Rings (if necessary)

Tools Required: Engine hoist, socket set, torque wrench, piston ring compressor.
Remove the engine from the vehicle following manufacturer guidelines.
Remove the cylinder head and inspect the piston rings for wear.
Replace with new piston rings, ensuring they are properly seated using a piston ring compressor.
Reassemble the engine and torque all bolts to manufacturer specifications.