how can i fix my renault laguna?

my laguna has lost power I have fitted recon turbo
which had gone it was running okay for afew weeks
but it lost power like turbo not working a local garage
put it on a machine and said it was a airflow metre
had gone, fitted new one and the cars the same no
power. please can you help

john rose
August 2008

there is no dipstick.
The Renault agent says it has to be connected to a computer and run to a certain temperature to check the oil level!!!!!!!!!!!!!!!!
An hours labour!!!!!!!!!!!!!!!!!!!!!!!!!!!
£90 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

There is level plug. You pump oil in until it overfloes!!!!!!!!!!!

Alf Hyde
August 2008