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Intermittent Slight Surge? S70 2000

posted by suus on Sat Feb 23 10:04 CST 2013
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last visit: Sat Feb 23 09:46 CST 2013

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177K Miles. Manual Transmission.

When driving at any speed, I think there's a slight surge, sometimes enough to make my head go back. Have not observed increase in RPM or speed. In addition, observed on occasion, the idle going up approx. 500 RPM upon depressing the clutch with my foot being off the accelerator. Both problems seem to occur mostly when the temp is around 30 degrees. Has anyone run into this before?

Thanks
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suus 00 S70 base M

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Intermittent Slight Surge? S70 2000

posted by someone claiming to be tom on Thu Feb 28 18:04 CST 2013 [RELATED]

FWIW...have similar problem with my '98 w/auto tranny,....something to do with a software 'malfunction', fix available at dealer...for a fee of course, not a recall....been living with it for now...

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Intermittent Slight Surge? S70 2000

posted by suus on Sat Mar 2 09:54 CST 2013
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last visit: Sat Feb 23 09:46 CST 2013

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I think I can live with it as long as it's not a safety issue. Do you have additional info on this software fix even if it's just a term to Google?

Thanks
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suus 00 S70 base M

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