How Do I Fix a Misfiring Vauxhall Vivaro?

I have a Vauxhall Vivaro that seems to be misfiring. It's been running rough and I've noticed a decrease in power. What could be causing this and how can I fix it?

One possible cause of a misfiring Vauxhall Vivaro is a faulty spark plug or ignition coil. It's important to check and replace these components if necessary.

Another potential issue could be a clogged fuel filter or a dirty air filter. Regularly replacing these filters can improve engine performance and prevent misfires.

If your Vauxhall Vivaro is equipped with a turbocharger, it's possible that the turbo has failed or is malfunctioning. Make sure to have it checked and repaired if needed.

You may also want to check the engine's compression and make sure all cylinders are firing correctly. If the compression is low, it could indicate a larger issue that needs to be addressed.