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

641 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 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 or accessing components.

Symptoms

•Low oil pressure warning light illuminated on the dashboard
•Engine noise (e.g., tapping or knocking sounds)
•Oil leaks under the vehicle
•Engine stalling or rough running
•Decreased engine performance or responsiveness
•Increased engine temperature

Diagnostic Steps

1
Check the oil level using the dipstick; ensure it is within the recommended range.
2
Scan the vehicle's onboard computer for any diagnostic trouble codes (DTCs) using an OBD-II scanner.
3
Inspect the oil pressure sending unit for any signs of damage or leaks.
4
Test the oil pressure using a mechanical oil pressure gauge.
5
Inspect for any oil leaks in the oil pan, gaskets, or seals.
6
Check the condition and quality of the engine oil; look for signs of contamination.

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
•Mechanical oil pressure gauge
•Socket set
•Oil filter wrench
•Torque wrench
•Oil catch pan

Parts Required

•Oil pressure sending unit
•Engine oil (specific to vehicle specifications)
•Oil filter

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Diagnostic Steps

1
Check the oil level using the dipstick; ensure it is within the recommended range.
2
Scan the vehicle's onboard computer for any diagnostic trouble codes (DTCs) using an OBD-II scanner.
3
Inspect the oil pressure sending unit for any signs of damage or leaks.
4
Test the oil pressure using a mechanical oil pressure gauge.
5
Inspect for any oil leaks in the oil pan, gaskets, or seals.
6
Check the condition and quality of the engine oil; look for signs of contamination.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is on a level surface and the engine is cool.
Disconnect the battery to prevent any electrical shorts.

2. Replace Oil Pressure Sending Unit

Tools Required: Socket set, wrench, oil catch pan, torque wrench.
Sub-steps:
1. Locate the oil pressure sending unit; it is usually near the oil filter or engine block.
2. Place an oil catch pan underneath to catch any oil that may spill.
3. Disconnect the electrical connector from the sending unit.
4. Use a socket wrench to remove the sending unit from the engine.
5. Install the new oil pressure sending unit and tighten it to the manufacturer's specified torque setting.
6. Reconnect the electrical connector.

3. Change Engine Oil and Filter

Tools Required: Oil filter wrench, socket set, funnel, oil catch pan.
Sub-steps:
1. Place the oil catch pan under the oil pan.
2. Remove the oil drain plug and allow the old oil to drain completely.
3. Replace the oil drain plug and tighten it to the specified torque.
4. Use an oil filter wrench to remove the old oil filter.
5. Apply a small amount of new oil to the rubber gasket of the new oil filter, then install it securely.
6. Pour the recommended type and amount of new oil into the engine using a funnel.

4. Verify Oil Pressure

Tools Required: Mechanical oil pressure gauge.
Sub-steps:
1. Connect the mechanical oil pressure gauge to the oil pressure sending unit port.
2. Start the engine and monitor the oil pressure reading.
3. Ensure the reading is within the manufacturer's specifications. A normal range is typically between 25-65 PSI at idle and higher at higher RPMs.
4. If oil pressure is still low, further investigation of the oil pump or internal engine issues may be necessary.