my Toyota Corolla E170 (2013-2019) engine shakes when I start it is that normal

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

547 words

Problem Statement

Learn how to diagnose and fix engine shaking during startup in a 2013-2019 Toyota Corolla E170. Step-by-step guide with diagnostic procedures 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 removing spark plugs.
•Ensure the vehicle is securely lifted and supported before working underneath.

Symptoms

•Engine shakes or vibrates noticeably during startup
•Possible rough idle after starting
•Check engine light may illuminate
•Unusual noises from the engine compartment
•Increased fuel consumption
•Loss of power during acceleration

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential issues.
2
Inspect engine mounts for signs of wear or damage.
3
Check for vacuum leaks around intake components.
4
Examine spark plugs for wear or fouling.
5
Test fuel pressure to ensure proper delivery.
6
Evaluate the condition of the ignition coils.

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
•Pry bar
•Spark plug socket
•Fuel pressure gauge

Parts Required

•Engine mounts (if damaged)
•Spark plugs (if worn)
•Ignition coils (if faulty)
•Vacuum hoses (if damaged)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential issues.
2
Inspect engine mounts for signs of wear or damage.
3
Check for vacuum leaks around intake components.
4
Examine spark plugs for wear or fouling.
5
Test fuel pressure to ensure proper delivery.
6
Evaluate the condition of the ignition coils.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery before starting work on electrical components.
Ensure the vehicle is on a level surface and securely supported.

2. Inspect Engine Mounts

Sub-steps:
- Remove any covers obstructing access to the engine mounts.
- Visually inspect each engine mount for cracks, separation, or excessive wear.
- Use a pry bar to test the mounts for excessive movement.
Tools Required: Pry bar, socket set.
Safety Warnings: Ensure the vehicle is securely lifted and supported before working underneath.

3. Check for Vacuum Leaks

Sub-steps:
- Start the engine and listen for hissing sounds indicating leaks.
- Use a smoke tester or carburetor cleaner to identify leaks around the intake manifold and vacuum hoses.
- Replace any damaged hoses or seals found during inspection.
Tools Required: Smoke tester or carburetor cleaner, hose clamps.

4. Inspect Spark Plugs

Sub-steps:
- Remove spark plug wires or ignition coil connectors.
- Use a spark plug socket to remove spark plugs.
- Inspect for wear, deposits, or damage; replace as necessary.
Tools Required: Spark plug socket, torque wrench.
Safety Warnings: Allow engine to cool before removing spark plugs.

5. Test Fuel Pressure

Sub-steps:
- Connect a fuel pressure gauge to the fuel rail.
- Turn the ignition key to the "ON" position without starting the engine to check pressure.
- Compare readings to manufacturer specifications; replace fuel pump if pressure is low.
Tools Required: Fuel pressure gauge.

6. Inspect Ignition Coils

Sub-steps:
- Remove the ignition coils for visual inspection.
- Check for cracks, corrosion, or signs of damage.
- Replace any faulty ignition coils.
Tools Required: Socket set.