Quick question about BISS adjustment

[evogst97]

I finally got my car fixed and all is well. It idles a little high though. About 1100. I have read the vfaq on how to adjust it and have a couple questions. The scantool I have access to does not have a actuator test number 30 to select so what do I do with that? Also I dont understand what it means when it says "when the scan tool is connected, the diagnostic test mode control terminal should be grounded." What exactly do I need to do to adjust my biss? Also I am a 2g.

 

[evogst97]

Sorry to double post but I really need to get this done and only have a couple hours left to do it. Anyone who could help me out please do.

 

[evogst97]

http://www.vfaq.com/mods/BISS-2G.html

Yea that's where I got the info. I'm asking for help specifically about that.

 

[steel_3d]

If all else fails just keep turning the screw in till you hit the stock idle rpm. Then go maybe a little bit further in and the ISC should bring it back up. At this point your ISC is hopefully somewhere within its range, not maxed out.

 

[yamaha4life89]

If you turn the screw all the way in its about 3 1/4 to 3 1/2 turns out.

 

[evogst97]

I ended up just adjusting it with a screwdriver a little and now the idle has been holding at 750 for a few days now....sounds so nice.

 

[ricktb]

I never heard such a nice idle before in my life, 750 purr, I swear the biss unscrews itself over time, my idle was high and the biss was almost all the way out, so I turned it down, nice

 

[kenamond]

Sorry to jump in on this, but I was wondering something about the 2g BISS and ISC. If I turn my BISS all the way in, will it eventually max out the ISC and start going below 750? And if I then back it out gradually, will it eventually max out the ISC in the other direction and start going above 750? I'm wondering if it would be worth it to do this to find out the range of the ISC. Then I can put the BISS right in the middle of the ISC range, right? Stupid idea?

 

[gsxAWDdsm692]

When you are going to change the BISS O-Ring when should you back it out? When the car is off and before you ground the timing connector and data link connector? I am thinking this is right but when you go to start the car up again you should have the DLC and the timing connector grounded so the car is in diagnostic mode.

Thanks.