my Toyota Corolla E170 (2013-2019) has high oil consumption is this normal

Toyota Corolla E170 (2013-2019)

Error Codes

4-8 hours

Time

hard

Difficulty

high

Severity

3 min read

516 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 to diagnose and fix high oil consumption in Toyota Corolla E170 (2013-2019). Step-by-step guide with symptoms, diagnostic steps, 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 opening the hood or working on any components.

Symptoms

•Engine oil level drops significantly between oil changes
•Blue smoke from the exhaust during acceleration
•Oil leaks visible under the vehicle
•Engine knocking or ticking sounds
•Check engine light illuminated
•Poor engine performance

Diagnostic Steps

1
Check the engine oil level and condition using the dipstick.
2
Inspect for external oil leaks around gaskets and seals using a flashlight.
3
Perform a compression test on the engine cylinders to assess health.
4
Use an OBD-II scanner to check for any stored diagnostic trouble codes (DTCs).
5
Inspect the PCV (Positive Crankcase Ventilation) system for blockages or failures.
6
Conduct a leak-down test to check for internal engine issues, such as valve seal leaks or piston ring wear.

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
•Compression tester
•Socket set
•Torque wrench
•Pliers

Parts Required

•Valve cover gasket
•Oil pan gasket
•PCV valve
•Engine oil (manufacturer recommended type)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check the engine oil level and condition using the dipstick.
2
Inspect for external oil leaks around gaskets and seals using a flashlight.
3
Perform a compression test on the engine cylinders to assess health.
4
Use an OBD-II scanner to check for any stored diagnostic trouble codes (DTCs).
5
Inspect the PCV (Positive Crankcase Ventilation) system for blockages or failures.
6
Conduct a leak-down test to check for internal engine issues, such as valve seal leaks or piston ring wear.

Solution

1. Preparation

Gather tools and parts required.
Disconnect the battery before starting any work.
Ensure the vehicle is on a level surface and the engine is cool.

2. Inspect and Repair Gaskets/Seals

Tools Required: Socket set, torque wrench, gasket scraper.
Remove any engine covers or components obstructing access to the valve cover.
Inspect the valve cover gasket and oil pan gasket for leaks.
If damaged, remove the old gasket and clean the mating surfaces.
Install a new gasket and torque to manufacturer specifications.

3. Replace PCV Valve

Tools Required: Pliers, socket set.
Locate the PCV valve, typically on the valve cover or intake manifold.
Disconnect the hose from the PCV valve.
Remove the old PCV valve and install a new one.
Reconnect the hose ensuring a tight fit.

4. Address Engine Compression Issues

Tools Required: Compression tester, leak-down tester.
If the compression test shows low readings, remove the cylinder head to inspect piston rings and valves.
Replace worn piston rings if necessary, and reassemble the engine with new gaskets.

5. Monitor Oil Consumption

After completing repairs, run the engine and monitor oil levels over the next few weeks.
Keep a log of oil consumption to ensure the issue is resolved.