how to fix low oil pressure warning in Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

638 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 low oil pressure warning in Ford Explorer (2011-2019). 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 components.
•Allow the engine to cool before opening the oil drain plug or removing the oil filter.

Symptoms

•Low oil pressure warning light illuminated on the dashboard
•Engine noise, particularly a ticking or knocking sound
•Poor engine performance or hesitation
•Oil leaking under the vehicle
•Increased engine temperature

Diagnostic Steps

1
Check the engine oil level using the dipstick and add oil if low.
2
Scan the vehicle's onboard computer for any error codes using an OBD-II scanner.
3
Inspect the oil pressure sending unit for leaks or damage.
4
Check the condition and quality of the engine oil (check for sludge or contamination).
5
Test the oil pressure using a mechanical oil pressure gauge.
6
Inspect the oil pump for proper operation and any signs of wear.

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
•Wrench set
•Oil catch pan
•Oil filter wrench
•Funnel

Parts Required

•Engine oil (5W-20)
•Oil filter
•Oil pressure sending unit (if faulty)

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Diagnostic Steps

1
Check the engine oil level using the dipstick and add oil if low.
2
Scan the vehicle's onboard computer for any error codes using an OBD-II scanner.
3
Inspect the oil pressure sending unit for leaks or damage.
4
Check the condition and quality of the engine oil (check for sludge or contamination).
5
Test the oil pressure using a mechanical oil pressure gauge.
6
Inspect the oil pump for proper operation and any signs of wear.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and is turned off.
Gather PPE (gloves and safety glasses).
Disconnect the battery to prevent electrical shorts.

2. Check Oil Level

Locate the dipstick (usually near the engine).
Pull out the dipstick, wipe it clean, reinsert it, and remove it again to check the oil level.
If low, add the appropriate engine oil (typically 5W-20 for this model).

3. Replace Oil Pressure Sending Unit (if faulty)

Tools Required: Socket set, torque wrench, wrench set, oil catch pan.
Locate the oil pressure sending unit (usually near the oil filter).
Disconnect the electrical connector from the sending unit.
Using a wrench, carefully unscrew the sending unit from the engine.
Install the new sending unit and torque to the manufacturer’s specifications (typically around 10-15 ft-lbs).
Reconnect the electrical connector.

4. Change Engine Oil and Filter

Tools Required: Oil filter wrench, funnel, oil catch pan, socket set.
Place the oil catch pan under the oil pan.
Remove the oil drain plug and allow the old oil to drain completely.
Replace the oil drain plug and torque to specifications (around 20 ft-lbs).
Remove the old oil filter using an oil filter wrench.
Apply a small amount of new oil to the rubber gasket of the new filter.
Install the new oil filter, tightening it by hand until secure.
Add the appropriate amount of new engine oil through the oil filler cap using a funnel.

5. Check Oil Pump Operation

If low oil pressure persists, inspect the oil pump.
This may require removing the oil pan.
Ensure the pump is properly mounted, and the screen is clean and free of debris.
If defective, replace the oil pump according to the manufacturer's specifications.