my Ford Explorer is consuming too much oil what could be the cause

Ford Explorer Fifth Generation (2011-2019)

Error Codes

4-8 hours

Time

hard

Difficulty

high

Severity

3 min read

519 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

•Allow engine to cool before working on it.
•Disconnect battery before working on electrical systems.

Symptoms

•Oil level drops significantly between oil changes
•Blue smoke from the exhaust during acceleration
•Engine misfire or rough idle
•Oil leaks visible under the vehicle
•Increased engine noise due to insufficient lubrication
•Check engine light illuminated

Diagnostic Steps

1
Check the engine oil level and condition with the dipstick.
2
Scan for error codes using an OBD-II scanner to identify any engine management issues.
3
Inspect for external oil leaks around seals, gaskets, and oil pan.
4
Perform a compression test on each cylinder to assess piston ring condition.
5
Use a leak-down test to evaluate the integrity of the engine's sealing surfaces.
6
Inspect the PCV (Positive Crankcase Ventilation) system for clogs or malfunctions.

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
•Socket set
•Torque wrench
•Compression tester
•Leak-down tester
•Oil filter wrench

Parts Required

•New oil filter
•Engine oil (correct type and quantity)
•Replacement gaskets/seals
•New piston rings (if applicable)
•PCV valve (if applicable)

Related Faults

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Diagnostic Steps

1
Check the engine oil level and condition with the dipstick.
2
Scan for error codes using an OBD-II scanner to identify any engine management issues.
3
Inspect for external oil leaks around seals, gaskets, and oil pan.
4
Perform a compression test on each cylinder to assess piston ring condition.
5
Use a leak-down test to evaluate the integrity of the engine's sealing surfaces.
6
Inspect the PCV (Positive Crankcase Ventilation) system for clogs or malfunctions.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the negative battery terminal for safety.

2. Address External Leaks

Sub-steps:
1. Raise the vehicle using a jack and secure it on jack stands.
2. Use a socket set to remove any shields or covers obstructing access to the oil pan.
3. Clean the area around suspected leaks using a degreaser.
4. Replace any damaged gaskets or seals found during inspection.

3. Replace Piston Rings (if necessary)

Sub-steps:
1. Remove the engine from the vehicle if access is limited.
2. Remove the cylinder head(s) by loosening the bolts in a crisscross pattern to prevent warping.
3. Remove the old piston rings and install new ones, ensuring proper orientation and clearance.
4. Reassemble the cylinder head(s) with a new head gasket and torque bolts to manufacturer specifications.

4. Clean or Replace PCV System

Sub-steps:
1. Locate the PCV valve and hose.
2. Remove the PCV valve and inspect for clogging; clean or replace it as necessary.
3. Inspect the hoses for cracks or blockages, replacing them if needed.