Quote Originally Posted by Peter D View Post
19.5 to 1 but I do not think that will be the issue. I suggest you read the ID label in the spare wheel bay to ensure you have the right engine code. Disconnect the feed into the bottom of the intercooler and see if is storing excessive oil indicating a leaking turbo. How many miles has it done. Regards Peter
Hi Peter,

Thanks for the info, but it is not the engine compression I am after but the cylinder pressure.

E