my Ford Explorer has an oil pressure warning what should I do

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

540 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 the oil pressure warning in your Ford Explorer. 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 to avoid burns.

Symptoms

•Oil pressure warning light illuminated on the dashboard
•Engine noise (ticking or knocking sounds)
•Decreased engine performance
•Oil leakage under the vehicle
•Warning message on the dashboard display (if equipped)

Diagnostic Steps

1
Check the engine oil level using the dipstick and add oil if necessary.
2
Inspect the oil for contamination or breakdown, and determine if it needs changing.
3
Use an OBD-II scanner to check for any related trouble codes that may indicate oil pressure sensor issues.
4
Inspect the oil pressure sending unit for leaks or damage.
5
Test oil pressure with a mechanical oil pressure gauge to confirm if the pressure is within specification.

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
•Torque wrench
•Mechanical oil pressure gauge
•Oil drain pan

Parts Required

•Engine oil (specification as per owner's manual)
•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 necessary.
2
Inspect the oil for contamination or breakdown, and determine if it needs changing.
3
Use an OBD-II scanner to check for any related trouble codes that may indicate oil pressure sensor issues.
4
Inspect the oil pressure sending unit for leaks or damage.
5
Test oil pressure with a mechanical oil pressure gauge to confirm if the pressure is within specification.

Solution

1. Preparation

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

2. Check and Change Engine Oil

Sub-step 1: Remove the oil filler cap and check the oil level. If low, add the appropriate type of oil as specified in the owner's manual.
Sub-step 2: If the oil is dirty or hasn’t been changed in a while, drain the old oil by removing the oil drain plug and allowing it to fully drain into a pan.
Sub-step 3: Replace the oil filter using an oil filter wrench. Ensure the rubber O-ring comes off with the old filter.

3. Replace Oil Pressure Sending Unit (if faulty)

Sub-step 1: Locate the oil pressure sending unit (usually near the oil filter).
Sub-step 2: Disconnect the electrical connector from the sending unit.
Sub-step 3: Use a socket to remove the oil pressure sending unit.
Sub-step 4: Install the new sending unit by reversing the removal steps and ensure it is properly torqued to manufacturer's specifications.

4. Test Oil Pressure

Sub-step 1: Remove the oil pressure sending unit and install a mechanical oil pressure gauge.
Sub-step 2: Start the engine and monitor the pressure reading on the gauge. It should be within the manufacturer's recommended range (usually between 25-65 PSI, but check the specific manual).
Sub-step 3: If oil pressure is low, further inspection of the oil pump and engine internals may be required.

5. Reassemble and Final Checks

Sub-step 1: Reinstall the oil drain plug (torque to specification) and refill the engine with fresh oil.
Sub-step 2: Reconnect the battery.
Sub-step 3: Start the engine and check for leaks around the oil filter and sending unit.
Sub-step 4: Monitor the oil pressure warning light and ensure it turns off.

Tools Required:

OBD-II scanner
Socket set
Oil filter wrench
Torque wrench
Mechanical oil pressure gauge
Oil drain pan

Parts Required:

Engine oil (specification as per owner's manual)
Oil filter
Oil pressure sending unit (if faulty)

Estimated Repair Time: 2-4 hours

Safety Warnings:

Disconnect the battery before working on electrical systems.
Allow the engine to cool before opening the oil drain plug to avoid burns.