how to fix Honda Accord 9th Generation (2013-2017) high oil consumption issue

Honda Accord Eleventh Generation (2023-present)

Error Codes

4-8 hours

Time

hard

Difficulty

high

Severity

3 min read

541 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 high oil consumption issues in Honda Accord 9th Generation (2013-2017). Step-by-step guide with symptoms, diagnostics, and repair instructions.

Affected Component

Engine

Estimated Time

4-8 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before performing any repairs.

Symptoms

•Excessive blue smoke from the exhaust during acceleration
•Oil level dropping significantly between oil changes
•Engine misfires or rough idling
•Oil warning light illuminated on the dashboard
•Increased engine noise due to low oil levels

Diagnostic Steps

1
Check the oil level using the dipstick to confirm oil consumption.
2
Inspect for any visible oil leaks around the engine and under the vehicle.
3
Perform a compression test on the cylinders to check for worn piston rings or valve seals.
4
Use a borescope to inspect the condition of the piston rings and cylinder walls.
5
Check the PCV (Positive Crankcase Ventilation) system for blockages or malfunctions.
6
Scan the engine control module (ECM) for any related trouble codes.

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
•Torque wrench
•Socket set
•Piston ring compressor
•Borescope

Parts Required

•New PCV valve
•New piston rings
•New valve seals
•New oil filter
•Engine oil (recommended type)

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Diagnostic Steps

1
Check the oil level using the dipstick to confirm oil consumption.
2
Inspect for any visible oil leaks around the engine and under the vehicle.
3
Perform a compression test on the cylinders to check for worn piston rings or valve seals.
4
Use a borescope to inspect the condition of the piston rings and cylinder walls.
5
Check the PCV (Positive Crankcase Ventilation) system for blockages or malfunctions.
6
Scan the engine control module (ECM) for any related trouble codes.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the engine is cool and parked on a level surface.
Disconnect the battery to prevent electrical shorts.

2. Inspect and Replace the PCV Valve

Sub-steps:
- Locate the PCV valve (typically on the valve cover).
- Remove the PCV valve by twisting and pulling it out.
- Inspect it for blockage or clogging; clean if possible or replace if needed.
- Reinstall the new or cleaned PCV valve securely.

3. Replace Worn Piston Rings (if necessary)

Sub-steps:
- Remove the engine cover and intake manifold.
- Disconnect the fuel injectors and spark plugs.
- Remove the cylinder head bolts and lift the cylinder head.
- Remove the old piston rings from the pistons.
- Install new piston rings, ensuring proper orientation.
- Reassemble the cylinder head and intake manifold.
- Torque the cylinder head bolts to manufacturer specifications.

4. Inspect Valve Seals (if necessary)

Sub-steps:
- With the cylinder head removed, check the valve seals for wear.
- Remove old valve seals and replace them with new ones.
- Reassemble the cylinder head, ensuring proper seating.

5. Refill Engine Oil

Sub-steps:
- Replace the oil filter with a new one.
- Fill the engine with the manufacturer-recommended oil type and quantity.
- Check for leaks and ensure the oil level is correct.