why is my Toyota Corolla E170 (2013-2019) burning so much oil

Toyota Corolla E170 (2013-2019)

Error Codes

4-8 hours

Time

hard

Difficulty

high

Severity

3 min read

528 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 excessive oil consumption in Toyota Corolla E170 (2013-2019). Step-by-step guide with diagnostic procedures 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 to avoid burns.

Symptoms

•Check engine light illuminated
•Blue smoke from the exhaust
•Oil level dropping quickly between changes
•Engine running rough or misfiring
•Increased engine noise
•Oil spots on the ground under the vehicle

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related issues.
2
Check the engine oil level and condition using the dipstick.
3
Inspect for external oil leaks around the engine and oil pan.
4
Perform a compression test on the engine cylinders to assess piston ring and cylinder wall condition.
5
Inspect the PCV (Positive Crankcase Ventilation) system for blockages or malfunctions.
6
Conduct a leak-down test to further evaluate the integrity of the engine's seals and rings.

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
•Compression tester
•Engine hoist
•Torque wrench

Parts Required

•PCV valve (if applicable)
•Piston rings
•Engine oil (appropriate grade)

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 the engine oil level and condition using the dipstick.
3
Inspect for external oil leaks around the engine and oil pan.
4
Perform a compression test on the engine cylinders to assess piston ring and cylinder wall condition.
5
Inspect the PCV (Positive Crankcase Ventilation) system for blockages or malfunctions.
6
Conduct a leak-down test to further evaluate the integrity of the engine's seals and rings.

Solution

1. Preparation

Gather tools and parts needed for repair.
Ensure the vehicle is on a level surface and the engine is cool.
Disconnect the battery to prevent any electrical issues during repair.

2. Inspect and Replace the PCV Valve

Locate the PCV valve on the valve cover.
Disconnect the vacuum hose attached to the PCV valve.
Remove the PCV valve from the valve cover.
Inspect the old PCV valve for blockages or damage; replace if necessary.

3. Compression Test Repair

Remove the spark plugs using a socket set.
Insert the compression tester into the first cylinder and crank the engine.
Record the compression reading; repeat for all cylinders.
If readings are low, proceed to replace piston rings following the next steps.

4. Piston Ring Replacement

Remove the engine from the vehicle using an engine hoist.
Disassemble the engine by removing the cylinder head and oil pan.
Remove the pistons from the engine block.
Clean the piston grooves and install new piston rings.
Reassemble the engine in reverse order.

5. Reinstallation and Refilling

Reinstall the engine into the vehicle.
Reconnect all electrical connections and hoses.
Refill the engine with the appropriate type and amount of oil as specified in the owner’s manual.