PASSAT 2.0 2015, the engine shakes a lot and is loud at startup

Problems with Strong Jerking and Engine Noise When Starting Your 2015 Passat 2.0

If you’re experiencing strong jerking and engine noise when starting your 2015 Passat 2.0, it could be due to several different factors. Here are some possible causes for this issue:

  • Spark Plugs: Check the spark plugs to ensure they are in good condition. Worn or dirty spark plugs can lead to improper fuel ignition, resulting in engine jerking and increased noise.
  • Battery: A weak battery can cause low voltage during startup, which may lead to ignition problems and uneven engine performance.
  • Fuel Quality: The quality of the fuel can play a significant role in engine operation. Poor-quality fuel can cause incomplete combustion, leading to jerking and engine noise.
  • Intake System Issues: Air leaks in the intake system or a clogged intake filter can result in irregular engine performance and noise during startup.
  • Fuel Injection Problems: A malfunctioning fuel injection system can cause inconsistent fuel combustion, leading to engine jerking.
  • Exhaust System Failures: An exhaust system that is not in good condition can produce excessive noise when the engine is running.

It is advisable to take your vehicle to an authorized service center or a professional for diagnostic evaluation to check and determine the exact cause of the problem. Only an experienced technician can accurately diagnose the issue and recommend the appropriate solution.