why does my Ford Explorer Fifth Generation (2011-2019) have low oil pressure?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

567 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 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.

Symptoms

•Check engine light illuminated
•Oil pressure warning light activated
•Engine noise (ticking or knocking sounds)
•Decreased engine performance
•Oil leaks observed under the vehicle
•Engine stalling or rough idling

Diagnostic Steps

1
Check the oil level using the dipstick to ensure it is at the proper level.
2
Inspect the oil for contamination or degradation (e.g., sludge).
3
Scan for error codes using an OBD-II scanner to identify any related issues.
4
Inspect the oil pressure sending unit for proper operation and any signs of damage.
5
Test the oil pressure using a mechanical oil pressure gauge to obtain accurate readings.
6
Check for any oil leaks in the oil pan, oil filter, and seals.

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
•Oil filter wrench
•Socket set
•Torque wrench
•Oil drain pan
•Funnel

Parts Required

•Engine oil (5W-20 or as specified)
•Oil filter
•Oil pressure sending unit (if required)

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Diagnostic Steps

1
Check the oil level using the dipstick to ensure it is at the proper level.
2
Inspect the oil for contamination or degradation (e.g., sludge).
3
Scan for error codes using an OBD-II scanner to identify any related issues.
4
Inspect the oil pressure sending unit for proper operation and any signs of damage.
5
Test the oil pressure using a mechanical oil pressure gauge to obtain accurate readings.
6
Check for any oil leaks in the oil pan, oil filter, and seals.

Solution

1. Preparation

Gather tools and materials.
Ensure the vehicle is on a level surface and the engine is off and cool.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Check and Replace Engine Oil

Sub-steps:
1. Remove the oil drain plug using a socket wrench and drain the old oil into a pan.
2. Replace the oil drain plug and tighten to manufacturer's torque specifications (usually around 20-25 lb-ft).
3. Remove the old oil filter using an oil filter wrench.
4. Lubricate the rubber O-ring on the new oil filter with fresh oil and install it.
5. Fill the engine with the appropriate type and amount of engine oil (usually 5W-20 or as specified in the owner’s manual).
Tools Required: Oil filter wrench, socket set, oil drain pan, funnel.

3. Replace the Oil Pressure Sending Unit

Sub-steps:
1. Locate the oil pressure sending unit (usually near the oil filter or on the engine block).
2. Disconnect the electrical connector from the sending unit.
3. Use a socket wrench to remove the old sending unit.
4. Install the new sending unit and tighten it to the specified torque.
5. Reconnect the electrical connector.
Tools Required: Socket set, torque wrench.

4. Check and Repair Oil Leaks

Sub-steps:
1. Inspect the oil pan, oil filter, and seals for any signs of leakage.
2. If leaks are found, replace the damaged components (e.g., oil pan gasket, oil filter).
3. Clean any oil residue to prevent false readings of oil pressure.
Tools Required: Socket set, gasket scraper.