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Turbo/idle,air leak...low boost? 200 1982

Still struggling with the hunting idle on my Turbo, it revs from 500 to 1300 once every second. If I make it idle above 1100 it;s steady. Replaced all the vac lines, checked the ones under the dash too.
I think maybe the valve to the vacuum tank ( the white balls which control the vacuum to the heater/defrost controls) is leaky as it doesn't work just after engine shut down.
ALSO, the boost gauge only goes halfway into the yellow. Does this mean I am getting low boost? What could be the cause of this? Are there more hidden vacuum lines? Is there a diagram of these somewhere?
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744-16v,745-16v,242Turbo.245DLT






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New Turbo/idle,air leak...low boost? [200][1982]
posted by  runwld2 subscriber  on Wed Jan 1 16:10 CST 2003 >


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