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$58 HUD BPW SLEW MODE?

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Old Aug 19, 2006 | 03:47 PM
  #1  
gta324's Avatar
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From: sweden
Car: GTA -89
Engine: Blown 415"
Transmission: 4L80E
Axle/Gears: Strange 12-bolt
$58 HUD BPW SLEW MODE?

What is it? and what does it do?

Dropped out of closed loop today at 55mph for no reason? Found that if HUD BPW.... is active open loop is forced.....

Anyway I also got a code 44, WB showed 15.0............ Not running BLM.....

/N.
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Old Aug 19, 2006 | 09:45 PM
  #2  
Z69's Avatar
Z69
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From: Texas
That's used during factory tuning for driveability etc.
"Little" box they hook up so they can tweak the settings to get the tune down. Basically manual adjustments to BPW, SA etc.
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Old Aug 20, 2006 | 06:17 AM
  #3  
gta324's Avatar
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Joined: Aug 1999
Posts: 2,441
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From: sweden
Car: GTA -89
Engine: Blown 415"
Transmission: 4L80E
Axle/Gears: Strange 12-bolt
Ok, Still cant figure out why I dropped out of closed loop......

Temp is fine, O2 ready and so on.....

Could it be that code 44 came first, even if the bit isnt set? and turned ECM to open loop? After a while in open loop the code 44 came up......


/N.
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