have i broken it
 

have i broken it plumbed in a boost gauge teed it off the vacum pipe to the dump valve now the car on tick over is a little eratic and the cel light came on for about 20 seconds advice please people

carl

This is a my my93 import
With boost pipe teed off from middle black pipe:)
bailey dump valve pipe on the left.
http://i51.photobucket.com/albums/f3...x/100_0968.jpg