why is my Ford F-150 12th Generation (2009-2014) burning oil?

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

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

535 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 F-150 12th Generation (2009-2014). Step-by-step guide with symptoms and solutions.

Affected Component

Engine

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect 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
•Frequent oil changes needed
•Engine running rough or misfiring
•Low oil level between changes
•Unusual engine noises (ticking or knocking)

Diagnostic Steps

1
Check the engine oil level and condition using the dipstick.
2
Inspect for visible oil leaks around the engine and underneath the vehicle.
3
Perform a compression test on the engine cylinders to assess their condition.
4
Use an OBD-II scanner to check for any fault codes related to the engine.
5
Inspect the PCV (Positive Crankcase Ventilation) system for clogs or malfunctions.
6
Examine the oil filter and oil pump for proper operation and signs of failure.

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

•Pliers
•Socket set
•Oil filter wrench
•Compression tester
•OBD-II scanner

Parts Required

•PCV valve
•Engine oil (5W-20 or 5W-30)
•Oil filter

Related Faults

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Diagnostic Steps

1
Check the engine oil level and condition using the dipstick.
2
Inspect for visible oil leaks around the engine and underneath the vehicle.
3
Perform a compression test on the engine cylinders to assess their condition.
4
Use an OBD-II scanner to check for any fault codes related to the engine.
5
Inspect the PCV (Positive Crankcase Ventilation) system for clogs or malfunctions.
6
Examine the oil filter and oil pump for proper operation and signs of failure.

Solution

1. Preparation

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

2. Inspect and Replace the PCV Valve

Locate the PCV valve on the engine (usually near the valve cover).
Disconnect the PCV valve hose and remove the valve.
Check the valve for clogs; replace it if it's dirty or stuck.
- Tools Required: Pliers, socket set
Reinstall the new or cleaned PCV valve and reconnect the hose.

3. Perform an Oil Change

Drain the old oil by removing the oil drain plug; allow it to fully drain into a collection pan.
Replace the oil filter using an oil filter wrench.
- Tools Required: Oil filter wrench, socket set
Reinstall the drain plug and torque to the manufacturer's specifications (usually around 20-25 lb-ft).
Refill the engine with the appropriate type and amount of oil (usually 5W-20 or 5W-30, depending on the engine).
Start the engine and let it run for a few minutes, checking for leaks.

4. Compression Test (if necessary)

Remove the spark plugs from the engine.
Insert the compression tester into the spark plug holes.
Crank the engine and record the compression readings for each cylinder.
- Compare results to manufacturer specifications (usually between 120-180 psi).
If any cylinders are significantly lower, further investigation may be needed (e.g., valve seals, piston rings).