why does my Volkswagen Golf Seventh Generation (2013-2020) engine shake when idling

Volkswagen Golf MK7.5 (2020-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

582 words

Problem Statement

Learn how to diagnose and fix engine shaking at idle in Volkswagen Golf (2013-2020). 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 the battery before working on electrical systems.
•Allow the engine to cool before opening any parts to avoid burns.

Symptoms

•Engine vibrations felt through the steering wheel and seat
•Rough idle or fluctuating RPMs
•Check engine light illuminated
•Decreased fuel efficiency
•Possible engine stalling or hesitations during acceleration
•Unusual noises from the engine compartment

Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to check for any error codes.
2
Inspect engine mounts for signs of wear or damage.
3
Check the condition of the spark plugs and ignition coils.
4
Examine the air intake system for vacuum leaks or blockages.
5
Inspect fuel injectors for proper operation and cleanliness.
6
Test the engine's fuel pressure to ensure it's within specifications.

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
•Jack
•Pry bar
•Socket set
•Torque wrench
•Spark plug socket
•Hose clamp pliers
•Fuel injector cleaning kit

Parts Required

•Engine mounts (if damaged)
•Spark plugs
•Ignition coils
•Vacuum hoses (if damaged)
•Fuel injector cleaning kit (if needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to check for any error codes.
2
Inspect engine mounts for signs of wear or damage.
3
Check the condition of the spark plugs and ignition coils.
4
Examine the air intake system for vacuum leaks or blockages.
5
Inspect fuel injectors for proper operation and cleanliness.
6
Test the engine's fuel pressure to ensure it's within specifications.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to prevent any electrical shorts.
Allow the engine to cool down before beginning work.

2. Inspect Engine Mounts

Sub-steps:
1. Use a jack to support the engine slightly.
2. Visually inspect the engine mounts for cracks or separation.
3. Use a pry bar to check for excessive play in the mounts.
4. Replace any damaged mounts with new OEM parts.
Tools Required: Jack, Pry bar, Socket set.

3. Replace Spark Plugs and Ignition Coils

Sub-steps:
1. Remove the engine cover if applicable.
2. Disconnect electrical connectors from the ignition coils.
3. Unscrew the ignition coils and remove them.
4. Remove old spark plugs using a spark plug socket.
5. Install new spark plugs and torque to manufacturer specifications (typically around 22 lb-ft).
6. Reinstall ignition coils and connect electrical connectors.
Tools Required: Spark plug socket, Torque wrench, Ratchet set.

4. Check for Vacuum Leaks

Sub-steps:
1. Inspect hoses connected to the intake manifold and throttle body for cracks or disconnections.
2. Use a smoke machine to detect leaks in the intake system if necessary.
3. Replace any damaged hoses or components.
Tools Required: Smoke machine (optional), Hose clamp pliers.

5. Clean Fuel Injectors

Sub-steps:
1. Remove the fuel injector rail.
2. Use a fuel injector cleaning kit to clean each injector.
3. Reinstall the fuel injectors and rail, ensuring proper sealing.
Tools Required: Fuel injector cleaning kit, Socket set.