Is the check engine light on? Check oil light maybe?
Is this noise coming from both sides of the engine?
Maybe you should take it to a mechanic and ask them to listen to it.
This is a discussion on valve noise lost power within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; i had like a valve rattel start up few seconds then after about 2 weeks i have a bad vaalve ...
i had like a valve rattel start up few seconds then after about 2 weeks i have a bad vaalve rattle on right side i cked timeing all ok but sounds like its has no oil help thanks craig
no lights on full oil and only one side turbo side makeing noise thanks craig
no smoke on power yes turbo makes no differnt in powe even with bost turbo gate looks like working ok just bad clacking noise right side i pulled all covers cked timeing belt all cams are timed with the crank shaft i dont want to pull engine if i dont need to started all at once craig