how to fix Ford F-150 13th Generation (2015-2020) oil consumption issues?

Ford F-150 13th Generation (2015-2020)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

650 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 13th Generation (2015-2020). Step-by-step guide with diagnostic procedures 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 or removing components.

Symptoms

•Check engine light illuminated
•Increased oil consumption
•Engine misfires or rough idle
•Blue smoke from the exhaust
•Low oil pressure warning
•Oil stains or leaks under the vehicle

Diagnostic Steps

1
Scan the vehicle's onboard diagnostic system using an OBD-II scanner to retrieve any error codes.
2
Inspect the oil level and condition using the dipstick; check for signs of contamination or excessive sludge.
3
Perform a visual inspection of the engine for any obvious oil leaks or damaged seals/gaskets.
4
Conduct a compression test to evaluate the health of the engine's cylinders.
5
Check the PCV (Positive Crankcase Ventilation) system for blockages or malfunctions.
6
Perform an oil consumption test by measuring the amount of oil consumed over a specified mileage.

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
•Oil filter wrench
•Oil catch pan
•Funnel
•Pliers
•Gasket scraper

Parts Required

•Engine oil (correct type and grade as per specifications)
•Oil filter
•PCV valve
•Valve cover gasket (as necessary)

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Diagnostic Steps

1
Scan the vehicle's onboard diagnostic system using an OBD-II scanner to retrieve any error codes.
2
Inspect the oil level and condition using the dipstick; check for signs of contamination or excessive sludge.
3
Perform a visual inspection of the engine for any obvious oil leaks or damaged seals/gaskets.
4
Conduct a compression test to evaluate the health of the engine's cylinders.
5
Check the PCV (Positive Crankcase Ventilation) system for blockages or malfunctions.
6
Perform an oil consumption test by measuring the amount of oil consumed over a specified mileage.

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 to avoid electrical issues.

2. Change Engine Oil and Filter

Tools Required: Socket set, oil filter wrench, oil catch pan, funnel.
Steps:
1. Place the oil catch pan under the oil pan.
2. Remove the oil drain plug and allow the old oil to completely drain out.
3. Replace the oil drain plug and torque to the manufacturer’s specification (typically around 20 lb-ft).
4. Remove the old oil filter using the oil filter wrench.
5. Apply a light coat of new oil to the rubber gasket of the new oil filter.
6. Install the new oil filter, hand-tightening it securely.
7. Refill the engine with the correct grade and type of oil as specified in the owner’s manual.

3. Replace PCV Valve

Tools Required: Pliers, socket set.
Steps:
1. Locate the PCV valve, typically found on the valve cover or intake manifold.
2. Disconnect the hose connected to the PCV valve.
3. Remove the old PCV valve from its socket.
4. Install the new PCV valve and reconnect the hose securely.

4. Inspect and Replace Valve Cover Gasket (if necessary)

Tools Required: Socket set, gasket scraper, RTV sealant.
Steps:
1. Remove any components obstructing access to the valve cover.
2. Unbolt the valve cover from the engine.
3. Carefully lift the valve cover off and scrape off any old gasket material from both the cover and engine surface.
4. Apply a thin bead of RTV sealant to the valve cover mating surface.
5. Position the new gasket and reinstall the valve cover, tightening bolts to the manufacturer's torque specifications.