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Funny Hooter Valve ??
Posted by MartinM [Email] (more from MartinM) on Fri, 29 Nov 2002 13:17:33
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I posted before about a problem "slow return to idle" and "high revs on deceleration". This may clarify
I've been thinking about the issue I mentioned. It isn't really an idle problem, more that the revs seem to kick up or stay high, briefly, after lifting the accelerator. Also this happens when driving harder and changing up a gear but there is no problem when the car is idling.
I wonder if it might be a hooter valve or BPV problem? Usually you hear of these failing by not staying closed under vacuum and causing stalling in deceleration or at idle. But could it fail the other way round and not release boost pressure immediately when decelerating, thus prolonging turbo boost for a short time and kicking up the revs on the unloaded engine?
Grateful for any thoughts as I don't have easy access to a spare, "good" BPV/Hooter valve.
TIA
Martin
posted by 62.30.102...
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