My Subaru Outback 2.5 EFI has developed a slow leak at the rear of the engine between the head and the block. I have had it pressure tested and that's the only place it's leaking from. It doesn't ...

THERE is no functional reason your car must have the injection system, though it is much better for performance and general driveability. Systems for cars built after 2003 must pass an emissions test, ...