PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

People with widebands...

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Old Jun 2, 2008 | 02:32 AM
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Default People with widebands...

Do you leave the sensor in all the time? I daily drive my T/A and don't know if I should leave the wideband sensor in everyday during just regular driving. Also what ratio reading are you getting when just driving normally? I'm trying to figure out if I have my wideband working correctly.
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Old Jun 2, 2008 | 07:19 AM
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i have the lm-1 (comes with a handheld part) and I help people tune there cars so I take mine in and out.

i have many friends with the lc-1 and they leave it in all the time.
driving around town and such i have seen my wideband run from ~14.7 down to 12.0 when I'm getting on it and up to 17 or higher due to deceleration and almost no fueling
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Old Jun 2, 2008 | 07:27 AM
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if you leave it in the pipe it must ALWAYS be powered on when the car is running or the sensor will be ruined quickly
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Old Jun 2, 2008 | 10:29 AM
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I run an AEM pillar gauge, and it works great, kept it in for 10K miles no issue.

Ryan
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Old Jun 2, 2008 | 11:09 AM
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Mine seem to last about a year.
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Old Jun 2, 2008 | 12:16 PM
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Originally Posted by Frost
if you leave it in the pipe it must ALWAYS be powered on when the car is running or the sensor will be ruined quickly
How quickly? As you might guess from the question, mine's been in for a while and haven't been powering up the LM1 except when tuning/racing.

Related question, does it help/hurt to clean the sensor with something like MAF or electric cleaner when it's taken out?
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Old Jun 2, 2008 | 12:20 PM
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Originally Posted by Frost
if you leave it in the pipe it must ALWAYS be powered on when the car is running or the sensor will be ruined quickly
YES, listen to that
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Old Jun 2, 2008 | 12:29 PM
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they will die very quickly, maybe an hour or so.
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Old Jun 2, 2008 | 01:23 PM
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Originally Posted by crewchef
How quickly? As you might guess from the question, mine's been in for a while and haven't been powering up the LM1 except when tuning/racing.

Related question, does it help/hurt to clean the sensor with something like MAF or electric cleaner when it's taken out?
I wouldn't attempt to clean it with anything but compressed air, if at all. Think of the glass bead underneath the shell like a light bulb- any liquid on it when heated(running) will crack it.
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Old Jun 2, 2008 | 01:41 PM
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I run mine all the time; it's always powered, grounded on the engine, and in front of the cat.
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Old Jun 3, 2008 | 02:14 AM
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Well ok cool I will leave it in 24/7 and not worry about the sensor. But I still think my wideband isn't working right? I have an Autometer Ultralite wideband and it reads between 14.7-15.0 all the time whether I be WOT or just regular cruising. I wired the red straight to the fuse panel in the dash and grounded it behind the kickpanel on the passenger side, the ground there was an existing ground. I guess on Thursday when I'm off from work I will run the ground straight to the battery and see if it changes anything. Maybe it's the wiring or just a plain ol bad sensor.
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Old Jun 3, 2008 | 11:52 PM
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Originally Posted by porksoda
Well ok cool I will leave it in 24/7 and not worry about the sensor. But I still think my wideband isn't working right? I have an Autometer Ultralite wideband and it reads between 14.7-15.0 all the time whether I be WOT or just regular cruising. I wired the red straight to the fuse panel in the dash and grounded it behind the kickpanel on the passenger side, the ground there was an existing ground. I guess on Thursday when I'm off from work I will run the ground straight to the battery and see if it changes anything. Maybe it's the wiring or just a plain ol bad sensor.
porksoda,

I just put a Autometer Ultralite Wideband in my car about two weeks ago and had the same problem as you did with the gauge reading 14.7-15.0 all the
time no matter what the driving habits, so I unplugged the harness from the back of the gauge and plugged it back in the gauge, it is reading like it should now, I know that sounds pretty dumb but that fixed my problem, dont think it was plugged in all the way the first time. Hope you have luck fixing your problem.
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Old Jun 8, 2008 | 04:25 PM
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I leave mine in all the time. I just like to keep an eye on it.
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