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Torque » Torque OBD ECU Scanner » Torque Discussion / Ideas » High/Steady Vacuum Reading

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Author Topic: High/Steady Vacuum Reading
NetSpeedz
Member
Posts: 2
Post High/Steady Vacuum Reading
on: September 27, 2017 (GMT)

I have a slightly high (but steady) vacuum reading of -24 on a 2001 Nissan Xterra (located in Phoenix AZ area). Would like some opinions on whether this is a problem. I do have a K&N Filter installed. Not sure if that will cause a high reading.

Mike D.
Member
Posts: 14
Post Re: High/Steady Vacuum Reading
on: September 28, 2017 (GMT)

Does this -24 exist at all driving conditions or just at idle?
NetSpeedz
Member
Posts: 2
Post Re: High/Steady Vacuum Reading
on: October 4, 2017 (GMT)

Apologies for the delayed response. I was thinking that the Torque Forum would notify me when there was a reply.

The -22 to -24 reading is only at idle. At highway/freeway speeds, it dips to about -10. Which, from my research is normal.

Appreciate the response.

————
moreause
Member
Posts: 637
Post Re: High/Steady Vacuum Reading
on: October 8, 2017 (GMT)

seem a bit low normal is around 20 from what i have seen

i would say confirm calibration with key on engine off and confirm it’s at zero

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