why does my Honda CR-V's oil light keep coming on after an oil change

Honda CR-V Fifth Generation (2017-2022)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

520 words

Problem Statement

Learn how to diagnose and fix the oil light issue in your Honda CR-V. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Engine

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Allow the engine to cool before checking oil levels or removing components.

Symptoms

•Oil light stays illuminated on the dashboard
•Engine oil appears dirty or low
•Engine noise or knocking sounds
•Decreased engine performance
•Oil leaking on the ground under the vehicle

Diagnostic Steps

1
Check the engine oil level using the dipstick to ensure it’s at the proper level.
2
Confirm the correct type and viscosity of oil was used during the oil change.
3
Inspect for oil leaks around the oil filter and oil drain plug.
4
Verify that the oil filter was properly installed and is not clogged.
5
Scan for any diagnostic trouble codes (DTCs) using an OBD-II scanner.
6
Check the oil pressure with a mechanical oil pressure 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
•Torque wrench
•Oil pressure gauge
•Oil dipstick

Parts Required

•Engine oil (correct type and viscosity)
•Oil filter (if replacement is necessary)
•Oil pressure sending unit (if replacement is needed)

Related Faults

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Diagnostic Steps

1
Check the engine oil level using the dipstick to ensure it’s at the proper level.
2
Confirm the correct type and viscosity of oil was used during the oil change.
3
Inspect for oil leaks around the oil filter and oil drain plug.
4
Verify that the oil filter was properly installed and is not clogged.
5
Scan for any diagnostic trouble codes (DTCs) using an OBD-II scanner.
6
Check the oil pressure with a mechanical oil pressure gauge.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is on a flat surface and the engine is cool.
Disconnect the battery to avoid any electrical issues.

2. Check Oil Level

Remove the dipstick, clean it with a cloth, and reinsert it.
Pull it out again to check the oil level; add oil if necessary.
Ensure to use the correct oil type as per the owner’s manual.

3. Inspect Oil Filter

Locate the oil filter and check for proper installation.
If loose, tighten it to the manufacturer's specifications (usually around 15-20 ft-lbs).
If damaged or old, replace with a new filter.

4. Examine for Leaks

Inspect the oil drain plug and oil filter for signs of oil leaks.
Tighten the oil drain plug if loose (usually 20-25 ft-lbs).
Clean any spilled oil and monitor for recurring leaks.

5. Replace Oil Pressure Sending Unit (if necessary)

If the oil pressure gauge indicates low pressure, locate the oil pressure sending unit.
Use a socket to remove and replace it with a new unit.
Reconnect the electrical connector to the new sending unit.