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erratic boost
Posted by Paul Willis [Email] (more from Paul Willis) on Tue, 27 Dec 2016 15:36:20
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Hi. I posted a similar message about a week ago but didn't see it posted. My 1991 900 turbo convt (345K miles) has erratic boost. Before Christmas, it was giving good boost, right up to the red in some situations, after having been in a "base" boost mode for a couple of months. It has now reverted back to base boost, meaning the needle gets about a third into the yellow or middle range and refuses to move further. The weird thing is that the car overall runs better in this base mode, and when giving good boost has trouble keeping idle when the revs drop. It mysteriously comes and goes without any reference to any conditions, hot or cold. Thoughts??
posted by 99.198.22...
Posts in this Thread:
- erratic boost, Paul Willis, Tue, 27 Dec 2016 15:36:20 <-- Viewing This Message
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