how to fix my Ford F-150 12th Generation (2009-2014) that keeps burning oil

Ford F-150 12th Generation (2009-2014)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

542 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 burning in Ford F-150 (2009-2014). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Engine

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before opening the oil drain plug.

Symptoms

•Check engine light illuminated
•Blue smoke from the exhaust
•Low oil levels between oil changes
•Engine knocking or tapping noises
•Decreased engine performance

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any engine issues.
2
Inspect the oil level and condition using the dipstick.
3
Check for oil leaks around the engine and under the vehicle.
4
Perform a compression test on the engine cylinders to assess engine health.
5
Inspect the PCV (Positive Crankcase Ventilation) system for blockages or malfunctions.
6
Check the condition of the spark plugs for signs of oil fouling.

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
•Oil filter wrench
•Compression tester

Parts Required

•PCV valve
•Engine oil (5W-20)
•Oil filter
•Piston rings (if necessary)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any engine issues.
2
Inspect the oil level and condition using the dipstick.
3
Check for oil leaks around the engine and under the vehicle.
4
Perform a compression test on the engine cylinders to assess engine health.
5
Inspect the PCV (Positive Crankcase Ventilation) system for blockages or malfunctions.
6
Check the condition of the spark plugs for signs of oil fouling.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the battery to prevent electrical issues.

2. Inspect and Replace PCV Valve

Locate the PCV valve (typically found on the valve cover).
Remove the old PCV valve by twisting it counterclockwise.
Inspect the PCV hose for cracks or blockages; replace if necessary.
Install the new PCV valve by pushing it into place and twisting it clockwise.
Reconnect the battery.

3. Perform an Engine Oil Change

Drain the old oil by removing the oil drain plug using a socket wrench.
Replace the oil filter with a new one, ensuring the rubber O-ring is removed from the old filter.
Reinstall the drain plug and torque it to the manufacturer's specifications (typically 20-30 ft-lbs).
Fill the engine with the correct type and amount of oil (refer to the owner's manual for specifications, usually 5W-20).

4. Address Internal Engine Issues

If compression test results indicate low compression, consider replacing piston rings or valve seals.
For piston ring replacement, remove the engine from the chassis, disassemble, and replace the rings.
Reassemble the engine and reinstall it.

5. Verify All Repairs

Recheck oil levels after the oil change.
Start the engine and let it run to check for leaks.
Monitor oil consumption over the next few weeks.