why does my Ford F-150 13th Generation (2015-2020) have low oil pressure

Ford F-150 13th Generation (2015-2020)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

579 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 F-150 13th Generation (2015-2020). Step-by-step guide with diagnostic procedures 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 components.
•Allow the engine to cool before opening the oil system to avoid burns.

Symptoms

•Check engine light illuminated
•Oil pressure warning light activated
•Engine making ticking or knocking noises
•Loss of engine performance
•Oil leaks observed under the vehicle
•Increased engine temperature

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related issues.
2
Check the engine oil level using the dipstick and assess oil quality.
3
Inspect the oil pump for proper operation and any visible damage.
4
Examine oil pressure sending unit for faults.
5
Inspect for leaks in the oil system, including seals, gaskets, and oil filter.
6
Check the oil filter for clogs or restrictions.
7
Perform an oil pressure test using a mechanical gauge.

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
•Drain pan

Parts Required

•Engine oil (manufacturer-recommended type)
•Oil filter
•Oil pressure sending unit (if faulty)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related issues.
2
Check the engine oil level using the dipstick and assess oil quality.
3
Inspect the oil pump for proper operation and any visible damage.
4
Examine oil pressure sending unit for faults.
5
Inspect for leaks in the oil system, including seals, gaskets, and oil filter.
6
Check the oil filter for clogs or restrictions.
7
Perform an oil pressure test using a mechanical gauge.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the battery to ensure safety during the process.
Allow the engine to cool if it has been running.

2. Check Oil Level and Quality

Sub-steps:
- Remove the dipstick, clean it, and reinsert it to check the oil level.
- If oil is low, add the manufacturer-recommended oil type until the proper level is reached.
- If oil is dirty or contaminated, proceed to change the oil.

3. Change Engine Oil and Oil Filter

Sub-steps:
- Place a drain pan under the oil pan and remove the drain plug using a socket set.
- Allow the old oil to fully drain out.
- Replace the oil filter using an oil filter wrench; ensure the rubber O-ring comes off with the old filter.
- Reinstall the drain plug and torque it to the manufacturer specifications (typically around 20-25 ft-lbs).
- Fill the engine with fresh oil using the correct type and amount (refer to the owner’s manual).

4. Inspect and Replace Oil Pressure Sending Unit

Sub-steps:
- Locate the oil pressure sending unit (usually near the oil filter).
- Disconnect the electrical connector and remove the unit with a socket.
- Install the new oil pressure sending unit and reconnect the electrical connector.

5. Test Oil Pressure

Sub-steps:
- Install a mechanical oil pressure gauge in place of the oil pressure sending unit.
- Start the engine and observe the pressure reading; it should be within the normal range (typically 25-65 psi at idle).
- If the pressure is still low, the oil pump may need to be replaced.