how do you put car in open loop?

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Feb 28, 2006 | 02:35 PM

edstrokedta

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Staging Lane

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how do you put car in open loop?

i decided to try a sd tune in open loop. i have wide band to monitor a/f, just not sure how to put car into open loop. this means no o2's right?

Feb 28, 2006 | 02:38 PM

HumpinSS

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From: Waldorf, MD

set the closed loop enable temp to 284 or unplug a narrow band

Feb 28, 2006 | 02:41 PM

white2001s10

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From: Fairview Heights Illinois

Yep, unhook the O2's.

Feb 28, 2006 | 02:47 PM

MeentSS02

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From: Dayton, OH

My car has voice recognition, so I just tell it to

Feb 28, 2006 | 06:41 PM

edstrokedta

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Staging Lane

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thanks for the help i will try it out and let you know how it goes

Mar 1, 2006 | 08:38 AM

edstrokedta

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Staging Lane

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Did What You Said And Car Runs Great 12.8-13.1 A/f But Idle Stays At 500rpm For Some Strange Reason. Not Really A Problem Except Oil Pressure Drops To 30 When That Loww Rpm. Any Ideas?

Mar 1, 2006 | 08:41 AM

horist

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From: Lake Zurich, IL

^^^ the oil pump is driven off the crank... so the lower the RPM the lower the oil pressure... higher RPM = higher oil pressure ... 30psi@500rpm is nothing to be alarmed at

as for why it's running at 500rpm... does it do this forever or only on initial start? what's your idle set at for cooler temps (startup)?

These cars run open loop at startup normally so shouldn't be any different at startup (assuming you just set closed loop enable to a high temp like 290 or so) ... not sure of the affects of unplugging an O2 sensor (or rather if there are any other side effects as I've never tried it)