why does my Ram 1500 DT (2019-Present) have low oil pressure?

Ram 1500 DT (2019-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

552 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 the 2019 Ram 1500 DT. 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 engine to cool before opening the oil cap or drain plug.

Symptoms

•Check engine light illuminated
•Oil pressure warning light activated
•Engine making ticking or knocking noises
•Decreased engine performance
•Oil leaks visible 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 oil level using the dipstick; ensure it is at the proper level.
3
Inspect the oil for contamination (metal shavings or sludge).
4
Examine the oil filter for blockages or improper installation.
5
Test the oil pressure using a mechanical oil pressure gauge.
6
Inspect the oil pump for wear or failure.
7
Check the oil pressure sending unit for functionality.

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 pressure gauge
•Socket set
•Oil filter wrench
•Multimeter
•Drain pan

Parts Required

•Engine oil (5W-20 or 0W-20)
•Oil filter
•Oil drain plug gasket (if needed)
•Oil pressure sending unit (if faulty)
•Oil pump (if faulty)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related issues.
2
Check oil level using the dipstick; ensure it is at the proper level.
3
Inspect the oil for contamination (metal shavings or sludge).
4
Examine the oil filter for blockages or improper installation.
5
Test the oil pressure using a mechanical oil pressure gauge.
6
Inspect the oil pump for wear or failure.
7
Check the oil pressure sending unit for functionality.

Solution

1. Preparation

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

2. Change Engine Oil and Filter

Sub-steps:
1. Place a drain pan under the oil pan.
2. Remove the oil drain plug with a socket set and allow old oil to drain completely.
3. Replace the oil drain plug and torque it to the manufacturer’s specification (typically around 20-30 ft-lbs).
4. Remove the old oil filter using an oil filter wrench.
5. Lubricate the rubber gasket of the new oil filter with a bit of new oil, then install the new oil filter.
6. Fill the engine with the recommended oil type (typically 5W-20 or 0W-20) using a funnel.

3. Check Oil Pump and Sending Unit

Sub-steps:
1. Remove the oil pump cover (if applicable) to inspect for wear.
2. Replace the oil pump if it shows signs of damage or wear.
3. Disconnect the electrical connector from the oil pressure sending unit.
4. Use a multimeter to test the sending unit for proper resistance.
5. Replace the sending unit if it fails the test.

4. Test and Reassemble

Sub-steps:
1. Reconnect the battery.
2. Start the engine and allow it to idle.
3. Monitor the oil pressure gauge and check for any leaks.
4. If oil pressure is restored, reassemble any removed components.