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A/F gauge acting weird...

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Old Apr 19, 2002 | 07:57 PM
  #1  
vtec2nr's Avatar
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From: Alfred, ME, USA
Default A/F gauge acting weird...

This has been like this for awhile, but I want to see if it's normal. I've got an Autometer A/F gauge in my 95 GSR, anyway, it sweeps like it should and still reacts quickly to throttle changes. At low RPMs the display lights up 1 or 2 LEDs, but as the RPMs increase, the number of LEDs increases until nearly 1/3 of the display is lit just before redline. Has anyone else experienced this or know why it could happen. I've got CTR cams with some extra overlap dialed in, but I can't see why that would effect it.
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Old Apr 20, 2002 | 06:30 AM
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Default Re: A/F gauge acting weird... (vtec2nr)

Mine does the same thing. Try this too...At night; try turning off your headlights for a couple of secs (on a deserted road of course ). Only a couple of LED's will light up...turn them back on and a bunch will light up. I don't know why, but mine does the same thing. A/F guages are incredibly innacurate though.

JB
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Old Apr 20, 2002 | 07:24 AM
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Default Re: A/F gauge acting weird... (PeloTudo)

do you have them wired to the headlight swich? for a amp source
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Old Apr 20, 2002 | 09:19 PM
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Default Re: A/F gauge acting weird... (rainforest)

Mine is just hooked to a constant 12v somewhere. If it was hooked to the headlight 12v, wouldn't it not come on at all until I turned the headlights on; or, is there current going through the line even though they're off and is amplified when the switch is hit?

JB
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Old Apr 21, 2002 | 03:03 AM
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Default Re: A/F gauge acting weird... (PeloTudo)

the autometer guage will do that, until you hook it up to a wide band.
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Old Apr 21, 2002 | 08:45 AM
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Default Re: A/F gauge acting weird... (rainforest)

Not to the headlight switch, but you actually put me on the right path. I noticed it doing it more at night so I thought maybe it was the headlights, but that didn't make sense. Then I started thinking what else do you use at night... especially when you're in this icebox they call Maine. Heat. It's directly related to the speed of the interior fan. Now I need to back track where I spliced into to get the power. I may have been lazy and taken it from the back of the headunit which would explain it.
Thanks.
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Old Apr 27, 2002 | 07:21 PM
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Default Re: A/F gauge acting weird... (vtec2nr)

i have heard that if you dont wire the ground straight to the battery it will show false readings
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