how to troubleshoot my Toyota Corolla E170 (2013-2019) when the engine shakes

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

570 words

Problem Statement

Learn how to troubleshoot and fix engine shaking issues in the 2013-2019 Toyota Corolla E170. Step-by-step guide with diagnostic and repair instructions.

Affected Component

Engine

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

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

Symptoms

•Engine shakes during idle or acceleration
•Increased vibration felt in the cabin
•Check engine light may be illuminated
•Rough idle or stalling
•Poor fuel economy
•Unusual noises from the engine

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Inspect engine mounts visually for signs of wear or damage.
3
Check the condition of spark plugs and ignition coils for misfiring.
4
Test the fuel system pressure to ensure proper fuel delivery.
5
Inspect the air intake system for blockages or leaks.
6
Check for vacuum leaks in hoses and intake manifold.

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
•Spark plug socket
•Fuel pressure gauge
•Screwdriver set

Parts Required

•Engine mounts (if damaged)
•Spark plugs
•Ignition coils (if misfiring)
•Fuel filter (if clogged)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Inspect engine mounts visually for signs of wear or damage.
3
Check the condition of spark plugs and ignition coils for misfiring.
4
Test the fuel system pressure to ensure proper fuel delivery.
5
Inspect the air intake system for blockages or leaks.
6
Check for vacuum leaks in hoses and intake manifold.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the negative battery terminal to ensure safety.
Allow the engine to cool down before starting work.

2. Inspect Engine Mounts

Tools Required: Socket set, torque wrench
Sub-steps:
1. Locate the engine mounts, typically found at the front and rear of the engine.
2. Use the socket set to remove bolts securing the mounts.
3. Inspect each mount for cracks, tears, or excessive wear.
4. Replace any damaged mounts with new ones, ensuring they are properly aligned.
5. Torque the bolts to the manufacturer's specifications.

3. Replace Spark Plugs and Ignition Coils (if necessary)

Tools Required: Spark plug socket, torque wrench
Sub-steps:
1. Remove the ignition coil connectors and unscrew the coils.
2. Use the spark plug socket to remove the old spark plugs.
3. Inspect the spark plugs for wear; replace if necessary.
4. Install new spark plugs and torque to the manufacturer's specification.
5. Reinstall ignition coils and connectors securely.

4. Test and Repair Fuel System

Tools Required: Fuel pressure gauge
Sub-steps:
1. Connect the fuel pressure gauge to the fuel rail.
2. Turn the ignition to the "ON" position without starting the engine to check pressure.
3. Compare the reading to manufacturer specifications; replace the fuel pump if pressure is low.
4. Inspect and replace the fuel filter if it shows signs of clogging.

5. Check and Repair Air Intake System

Tools Required: Screwdriver set
Sub-steps:
1. Inspect the air filter and replace it if it is dirty.
2. Check the intake hose for cracks or loose connections; replace if necessary.
3. Clear any obstructions from the intake manifold.