my Toyota Corolla E170 (2013-2019) engine is knocking what's causing it

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

518 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 engine knocking in Toyota Corolla E170 (2013-2019). 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 battery before working on electrical systems.
•Allow engine to cool before opening the oil pan or any engine components.

Symptoms

•Knocking noise from the engine, especially during acceleration
•Loss of power or acceleration response
•Possible increase in engine temperature
•Engine misfiring or rough idle
•Check engine light may illuminate

Diagnostic Steps

1
Scan the engine control module (ECM) for error codes using an OBD-II scanner.
2
Inspect the oil level and condition; check for signs of contamination or low oil.
3
Listen for knocking noise with a stethoscope in various RPM ranges to locate the source.
4
Check for rod bearing wear or damage by performing a compression test.
5
Inspect the spark plugs for wear or deposits that could indicate misfiring.
6
Evaluate the fuel system for proper operation, including fuel pressure and injectors.

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 drain pan
•Oil filter wrench
•Socket set
•Torque wrench
•Spark plug socket
•Compression tester

Parts Required

•Engine oil (0W-20)
•Oil filter
•Spark plugs
•Rod bearings (if needed)
•Oil pan gasket (if replaced)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan the engine control module (ECM) for error codes using an OBD-II scanner.
2
Inspect the oil level and condition; check for signs of contamination or low oil.
3
Listen for knocking noise with a stethoscope in various RPM ranges to locate the source.
4
Check for rod bearing wear or damage by performing a compression test.
5
Inspect the spark plugs for wear or deposits that could indicate misfiring.
6
Evaluate the fuel system for proper operation, including fuel pressure and injectors.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Disconnect the battery to ensure safety while working on the engine.

2. Oil Change

Sub-steps:
1. Drain the old engine oil using an oil drain pan.
2. Replace the oil filter using an oil filter wrench.
3. Refill with manufacturer-recommended oil (e.g., 0W-20).

3. Inspect and Replace Spark Plugs

Sub-steps:
1. Remove the ignition coils or spark plug wires.
2. Use a spark plug socket to remove and inspect the spark plugs.
3. Replace worn or damaged spark plugs with OEM replacements.

4. Inspect and Replace Rod Bearings (if necessary)

Sub-steps:
1. Remove the oil pan to access the crankshaft and rod bearings.
2. Inspect the rod bearings for wear and replace if necessary, ensuring proper torque settings.
3. Reassemble the oil pan with a new gasket and torque to specifications.

5. Compression Test (if knock persists)

Sub-steps:
1. Remove spark plugs and insert a compression tester into each cylinder.
2. Crank the engine and record the compression readings for each cylinder.
3. Compare readings to manufacturer specifications; replace engine components if readings are significantly low.

Tools Required:

OBD-II scanner
Oil drain pan
Oil filter wrench
Socket set
Torque wrench
Spark plug socket
Compression tester

Parts Required:

Engine oil (0W-20)
Oil filter
Spark plugs
Rod bearings (if needed)
Oil pan gasket (if replaced)

Estimated Repair Time: 2-4 hours

Safety Warnings:

Disconnect battery before working on electrical systems.
Allow engine to cool before opening the oil pan or any engine components.