why does my Ford Explorer Fifth Generation (2011-2019) display an oil pressure warning

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

568 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 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 systems.
•Allow the engine to cool before checking or changing the oil.

Symptoms

•Oil pressure warning light illuminated on the dashboard
•Engine noise or knocking sounds
•Low oil level on the dipstick
•Increased engine temperature
•Engine stalling or poor performance

Diagnostic Steps

1
Check the oil level using the dipstick to ensure it is at the proper level.
2
Inspect for any oil leaks under the vehicle or around the engine compartment.
3
Scan the vehicle's onboard diagnostics (OBD-II) for error codes related to the oil pressure system.
4
Test the oil pressure using a mechanical oil pressure gauge to verify the reading.
5
Inspect the oil pressure sending unit for any signs of damage or malfunction.
6
Check the oil filter for proper installation and any signs of blockage.

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
•Mechanical oil pressure gauge
•Oil filter wrench

Parts Required

•Engine oil (SAE 5W-30 or as specified)
•Oil filter
•Oil pressure sending unit

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Diagnostic Steps

1
Check the oil level using the dipstick to ensure it is at the proper level.
2
Inspect for any oil leaks under the vehicle or around the engine compartment.
3
Scan the vehicle's onboard diagnostics (OBD-II) for error codes related to the oil pressure system.
4
Test the oil pressure using a mechanical oil pressure gauge to verify the reading.
5
Inspect the oil pressure sending unit for any signs of damage or malfunction.
6
Check the oil filter for proper installation and any signs of blockage.

Solution

1. Preparation

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

2. Check and Replace Engine Oil

Sub-steps:
1. Remove the oil filler cap and check the oil level again.
2. If the oil level is low, add the recommended oil type (SAE 5W-30 or as specified by the manufacturer).
3. Start the engine and let it run for a few minutes, then recheck the oil level.
4. If the oil is dirty or old, perform an oil change by draining the old oil and replacing it with new oil.

3. Inspect and Replace Oil Pressure Sending Unit

Sub-steps:
1. Locate the oil pressure sending unit, typically found near the oil filter or on the engine block.
2. Disconnect the electrical connector from the sending unit.
3. Using a socket wrench, remove the sending unit from the engine.
4. Install the new oil pressure sending unit and torque it to the manufacturer's specifications (typically 12-18 ft-lbs).
5. Reconnect the electrical connector.

4. Verify Oil Pressure with Mechanical Gauge

Sub-steps:
1. Remove the oil pressure sending unit again.
2. Install a mechanical oil pressure gauge in its place.
3. Start the engine and observe the oil pressure reading on the gauge.
4. If the pressure is below specifications (usually 25 psi at idle and 40-60 psi at 2000 RPM), further investigation into the oil pump may be required.