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

4 min read

635 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

•Oil pressure warning light illuminated on the dashboard
•Engine noise, particularly a ticking or knocking sound
•Decreased engine performance or power
•Oil leaks under the vehicle
•Unusual engine vibration or rough idling

Diagnostic Steps

1
Check the engine oil level and condition using the dipstick.
2
Scan for error codes using an OBD-II scanner to identify any related issues.
3
Inspect the oil pressure sending unit for leaks or damage.
4
Examine the oil filter for clogs or improper installation.
5
Test oil pressure using a mechanical gauge to verify the reading.
6
Inspect the oil pump for proper operation and any signs of wear or failure.

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
•Oil filter wrench
•Mechanical oil pressure gauge

Parts Required

•Engine oil
•Oil filter
•Oil pressure sending unit
•Oil pump

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Diagnostic Steps

1
Check the engine oil level and condition using the dipstick.
2
Scan for error codes using an OBD-II scanner to identify any related issues.
3
Inspect the oil pressure sending unit for leaks or damage.
4
Examine the oil filter for clogs or improper installation.
5
Test oil pressure using a mechanical gauge to verify the reading.
6
Inspect the oil pump for proper operation and any signs of wear or failure.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the battery to ensure safety during work.

2. Check and Replace Engine Oil

Sub-steps:
1. If the oil level is low, add the appropriate oil type as specified in the owner’s manual.
2. If the oil appears dirty or has not been changed per the maintenance schedule, perform an oil change.
3. Drain old oil using a socket set to remove the drain plug. Allow oil to fully drain.
4. Replace the oil filter using an oil filter wrench. Ensure the rubber O-ring is removed with the old filter.
5. Reinstall the drain plug with the specified torque (typically 20-30 lb-ft).
6. Fill the engine with new oil through the oil filler cap.

3. Inspect and Replace Oil Pressure Sending Unit

Sub-steps:
1. Locate the oil pressure sending unit, usually near the oil filter.
2. Disconnect the electrical connector from the sending unit.
3. Remove the sending unit using a socket or wrench.
4. Install the new sending unit, ensuring it is tightened to manufacturer specifications.
5. Reconnect the electrical connector.

4. Test Oil Pressure

Sub-steps:
1. Install a mechanical oil pressure gauge in place of the oil pressure sending unit.
2. Start the engine and check the oil pressure reading. It should typically range between 25-65 psi at idle.
3. If the pressure is still low, consider replacing the oil pump.

5. Inspect and Replace Oil Pump (if necessary)

Sub-steps:
1. Drain the engine oil again to prevent contamination during oil pump replacement.
2. Remove any necessary components to access the oil pump (this may include the oil pan).
3. Disconnect the oil pump from the engine block, taking note of the installation orientation.
4. Install the new oil pump, ensuring proper alignment and torque specifications.
5. Reassemble any components removed, reattach the oil pan, and refill with oil.