why is my Ford Explorer Fifth Generation (2011-2019) using more oil than before

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

515 words

Problem Statement

Discover how to diagnose and fix increased oil consumption in Ford Explorer 2011-2019. Step-by-step guide with symptoms, diagnostics, and repair tips.

Affected Component

Engine

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Allow engine to cool before opening the hood or working on components.
•Use caution when working near hot engine parts.

Symptoms

•Engine oil level drops more frequently between changes
•Blue smoke from the exhaust, especially during acceleration
•Oil spots or leaks under the vehicle
•Unusual engine noise (ticking or knocking)
•Engine running rough or misfiring
•Increased oil pressure readings

Diagnostic Steps

1
Check the engine oil level and condition using the dipstick.
2
Inspect for external oil leaks around gaskets, seals, and oil pan.
3
Perform a compression test on the engine cylinders to assess internal wear.
4
Conduct a leak-down test to identify potential internal leaks.
5
Inspect the PCV (Positive Crankcase Ventilation) system for blockages or malfunctions.
6
Scan the vehicle's ECU for any related trouble codes.

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
•Oil filter wrench
•Pliers
•Compression tester
•Leak-down tester

Parts Required

•New PCV valve
•Engine gaskets or seals (if needed)
•Oil filter (if leaking)

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 gaskets, seals, and oil pan.
3
Perform a compression test on the engine cylinders to assess internal wear.
4
Conduct a leak-down test to identify potential internal leaks.
5
Inspect the PCV (Positive Crankcase Ventilation) system for blockages or malfunctions.
6
Scan the vehicle's ECU for any related trouble codes.

Solution

1. Preparation

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

2. Inspect and Repair External Leaks

Tools Required: Socket set, torque wrench, oil filter wrench
Sub-steps:
1. Use a socket set to remove the engine cover if necessary.
2. Inspect the oil filter and replace if leaking.
3. Tighten any loose bolts or screws on the oil pan or valve covers.
4. Replace any damaged gaskets or seals found during inspection.

3. Replace PCV Valve

Tools Required: Pliers, socket set
Sub-steps:
1. Locate the PCV valve and disconnect the hose.
2. Remove the old PCV valve using pliers.
3. Install the new PCV valve and reconnect the hose securely.

4. Perform Engine Compression and Leak-Down Tests

Tools Required: Compression tester, leak-down tester
Sub-steps:
1. Remove the spark plugs to facilitate testing.
2. Insert the compression tester into the spark plug hole and crank the engine to get a reading.
3. Record the compression readings for each cylinder.
4. For the leak-down test, follow the manufacturer's instructions to assess cylinder integrity.

5. Engine Reassembly

Reinstall spark plugs and reconnect any disconnected components.
Reconnect the battery.
Start the engine and check for leaks.