Quote:
Originally Posted by sideways danny
that is a narrow band gauge running from a narrow band sensor (what are you using? the s12 doesn't have one as standard) they tell you nothing at all.
sounds like you have a boost leak to me
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It came on the car (Northerners old s12) so I have no idea what brand it is, but yup it doesnt tell you much.
I too suspect a boost leak and Im pointing the finger at the dump valve which I want to ditch.