why does my Ford Explorer have low oil pressure

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

537 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. 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

•Allow the engine to cool before working on it.
•Ensure the vehicle is securely supported when working underneath.

Symptoms

•Check engine light illuminated
•Oil pressure warning light activated
•Engine noise (ticking or knocking)
•Poor engine performance or stalling
•Increased engine temperature
•Visible oil leaks under the vehicle

Diagnostic Steps

1
Check the engine oil level using the dipstick and add oil if necessary.
2
Inspect the oil for contamination (metal shavings, sludge).
3
Scan for any error codes using an OBD-II scanner.
4
Verify the condition and operation of the oil pressure sending unit.
5
Test the oil pressure using a mechanical pressure gauge.
6
Inspect for leaks in oil lines and gaskets.
7
Check the oil pump operation and lubrication system components.

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

Parts Required

•Engine oil (as per specification)
•Oil filter
•Oil pressure sending unit (if faulty)
•Oil pump (if replacement is necessary)

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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 (metal shavings, sludge).
3
Scan for any error codes using an OBD-II scanner.
4
Verify the condition and operation of the oil pressure sending unit.
5
Test the oil pressure using a mechanical pressure gauge.
6
Inspect for leaks in oil lines and gaskets.
7
Check the oil pump operation and lubrication system components.

Solution

1. Preparation

Gather tools and parts.
Ensure the vehicle is on a level surface and the engine is cool.
Disconnect the battery.

2. Check and Replace Engine Oil

Sub-steps:
1. Remove the oil drain plug using a socket set and drain the old oil into a suitable container.
2. Replace the oil filter using an oil filter wrench.
3. Install the new oil filter and ensure it's properly tightened.
4. Reinstall the oil drain plug and torque it to the manufacturer's specifications.
5. Add the appropriate type and amount of new oil (check owner's manual for specifications).

3. Inspect and Replace Oil Pressure Sending Unit

Sub-steps:
1. Locate the oil pressure sending unit (usually near the oil filter or engine block).
2. Disconnect the electrical connector from the sending unit.
3. Remove the sending unit using a wrench.
4. Install the new sending unit and tighten it to the specified torque.
5. Reconnect the electrical connector.

4. Check and Replace Oil Pump (if necessary)

Sub-steps:
1. Remove any components obstructing access to the oil pump (e.g., oil pan).
2. Drain the oil again if needed.
3. Unbolt and remove the oil pump from the engine block.
4. Install the new oil pump and ensure proper alignment with the oil pickup.
5. Reassemble any components removed and refill with oil.