why does my Ford Explorer Fifth Generation (2011-2019) burn oil

Ford Explorer Fifth Generation (2011-2019)

Error Codes

3-5 hours

Time

hard

Difficulty

high

Severity

3 min read

545 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 (2011-2019). 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 components.
•Allow the engine to cool before opening any components related to the oil system.

Symptoms

•Check engine light illuminated
•Blue smoke from the exhaust
•Oil warning light activated
•Frequent need to add oil between oil changes
•Engine running rough or misfiring
•Oil spots or leaks under the vehicle

Diagnostic Steps

1
Check the oil level and condition using the dipstick; look for signs of contamination.
2
Scan the vehicle’s onboard diagnostics (OBD-II) for any stored error codes related to the engine or oil system.
3
Inspect for external oil leaks at gaskets, seals, and the oil pan.
4
Perform a compression test on the engine cylinders to assess cylinder health.
5
Check for signs of oil in the intake system or around the spark plugs.
6
Inspect the PCV (Positive Crankcase Ventilation) system for blockages or malfunction.

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

•Socket set
•Torque wrench
•OBD-II scanner
•Compression tester
•Oil catch pan
•Screwdrivers

Parts Required

•Valve cover gasket
•Oil pan gasket
•PCV valve
•Engine oil
•Oil filter

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Diagnostic Steps

1
Check the oil level and condition using the dipstick; look for signs of contamination.
2
Scan the vehicle’s onboard diagnostics (OBD-II) for any stored error codes related to the engine or oil system.
3
Inspect for external oil leaks at gaskets, seals, and the oil pan.
4
Perform a compression test on the engine cylinders to assess cylinder health.
5
Check for signs of oil in the intake system or around the spark plugs.
6
Inspect the PCV (Positive Crankcase Ventilation) system for blockages or malfunction.

Solution

1. Preparation

Tools Required: Socket set, torque wrench, OBD-II scanner, compression tester, oil catch pan.
Gather necessary parts: replacement gaskets, oil filter, and engine oil.
Ensure the vehicle is parked on a level surface and the engine is cool.

2. Inspect and Replace Gaskets

Sub-steps:
1. Remove any necessary engine covers to access the valve cover and oil pan.
2. Inspect valve cover gaskets and oil pan gasket for wear or damage.
3. If damaged, remove the old gaskets and clean the surfaces thoroughly.
4. Install new gaskets, ensuring they are aligned properly.
5. Reassemble components and torque the bolts to the manufacturer's specifications.

3. PCV System Maintenance

Sub-steps:
1. Locate the PCV valve and hoses.
2. Remove the PCV valve and check for proper operation by shaking it; it should rattle.
3. If the valve is stuck or clogged, replace it with a new one.
4. Inspect and replace any damaged hoses connected to the PCV system.

4. Cylinder Compression Test

Sub-steps:
1. Remove the spark plugs to access the cylinder.
2. Insert the compression tester into the spark plug hole.
3. Crank the engine and record the compression readings.
4. Compare the readings across all cylinders; any significant variance may indicate internal engine wear.
5. If low compression is found in any cylinder, further investigation is needed (e.g., valve seals, piston rings).