Would an engine flush reduce knocking in my Saab 9000's engine?

I have an N-reg Saab 9000 CSE turbo automatic. When the engine is running it knocks on the right hand side and gets louder while driving. I have asked a few people about it and have had different replies,...

Does my Honda CR-V really need an engine flush whilst being serviced?

I have just booked my 2007 Honda CR-V 2.2 diesel in for its annual service at the local Honda dealership where I bought the car 18 months ago. The car has just under 28,000 miles on the clock. The dealership...