why does my Ford Explorer have excessive oil consumption

Ford Explorer Fifth Generation (2011-2019)

Error Codes

4-8 hours

Time

hard

Difficulty

high

Severity

3 min read

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

Symptoms

•Engine oil level drops significantly between oil changes
•Blue smoke from the exhaust during acceleration
•Oil spots or leaks under the vehicle
•Rough engine idle or misfires
•Increased engine noise or knocking sounds

Diagnostic Steps

1
Check the engine oil level and condition using the dipstick.
2
Inspect for external oil leaks around the oil pan, valve covers, and gaskets.
3
Perform a compression test on all cylinders to assess engine health.
4
Use an OBD-II scanner to check for any related engine fault codes.
5
Inspect the PCV (Positive Crankcase Ventilation) system for blockages or failures.
6
Examine the turbocharger (if equipped) for oil leaks or excessive play in the shaft.
7
Conduct a cylinder leak-down test to determine if there are internal engine issues.

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
•Torque wrench
•Pliers
•Vacuum gauge
•Oil catch pan

Parts Required

•Valve cover gasket
•Oil pan gasket
•PCV valve
•Piston rings (if necessary)
•Valve seals (if necessary)

Related Faults

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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 oil pan, valve covers, and gaskets.
3
Perform a compression test on all cylinders to assess engine health.
4
Use an OBD-II scanner to check for any related engine fault codes.
5
Inspect the PCV (Positive Crankcase Ventilation) system for blockages or failures.
6
Examine the turbocharger (if equipped) for oil leaks or excessive play in the shaft.
7
Conduct a cylinder leak-down test to determine if there are internal engine issues.

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.

2. Addressing External Leaks

Tools Required: Socket set, torque wrench, oil catch pan, rags.
Inspect and replace any damaged gaskets (e.g., valve cover gasket, oil pan gasket).
- Sub-steps:
  1. Remove any components obstructing access to the leaking gasket (if necessary).
  2. Unbolt the old gasket and clean the mating surfaces with a gasket scraper.
  3. Install the new gasket, ensuring proper alignment.
  4. Reassemble components and torque to manufacturer specifications.

3. PCV System Inspection

Tools Required: Pliers, small brush, vacuum gauge.
Check and clean or replace the PCV valve.
- Sub-steps:
  1. Locate the PCV valve on the engine and remove it from its housing.
  2. Inspect the valve for clogs and clean it with a brush if necessary.
  3. If damaged, replace the PCV valve with a new one and reattach it securely.

4. Engine Internal Inspection (if necessary)

If compression or leak-down tests indicate issues:
- Tools Required: Compression tester, leak-down tester, engine oil.
- Remove the cylinder head or oil pan as needed to access piston rings or valve seals.
  - Sub-steps:
    1. Follow manufacturer procedures to remove the necessary components.
    2. Inspect piston rings and replace if worn.
    3. Replace valve seals if they are leaking.
    4. Reassemble using new gaskets and torque to specs.