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I have them too...
Posted by Tapani (more from Tapani) on Fri, 22 Mar 2002 07:51:19
In Reply to: Re: Ionization, plug gap. Zeke, check these out..., zeke, Fri, 22 Mar 2002 07:40:03
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I have the same symptoms too. They went away after a new DI, but returned when I had to replace it again after only 1 month for failure (just stalled). I have not been able to fully adapt because of wheater and traffic, though. So it might still solve itself. We'll see.
Other stuff I've replaced: BPC, BPV, IAT sens, O2 sens played with plug gaps etc. What I will try is to disconnect the BPV vacuum hose an l´plug it and go for a gentle drive. There might be a resonance in the intake system. The pressure might oscillate across the throttle plate and cause the BPV to hunt and it would amplify itself. This was one of my original ideas and I spent too much time with an adjustable BPV. Strangely enough the new DI solved it at that time.
I'm no expert on these matters, just interested. My comments should be seen in that respect. Just thoughts.
BTW, the orignal saab ion sensing patents can be found here:
http://www.aces.edu/~gparmer/ion/
posted by 193.110....
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