scan II gauge
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Elder User
Joined: Jun 2011
Posts: 930
Likes: 0
From: Los Angeles
scan II gauge
after seeing the ad many many times i decided to click on the link and look into them better nice and neat.
so how accurate are these and whos using them? also do they always have to be plugged in?
so how accurate are these and whos using them? also do they always have to be plugged in?
Logistics Pro
Joined: Aug 2007
Posts: 3,974
Likes: 18
From: Millersburg, OH
It's as accurate as the sensors the PCM reads. You can leave it plugged in all the time if you want. It powers up and down on it's own. You can unplug it if you want. Won't hurt anything but is not needed unless you have to access the OBD port for some other reason (i.e. scanner).
Cargo Master
Joined: Jul 2009
Posts: 2,885
Likes: 26
From: Chino, California
They're pretty accurate. It's the same info your PCM is reading from your sensors. One benefit is that it gives you a better idea what your trans temp and engine temp is as a quantitative value instead of the dummy gauge on the dash.
Here is a pic of mine with trans temp (TFT), engine temp (FwT), volts, and RPM. You can display 4 gauges at a time. It plugs into your OBDII port constantly. It can also read CEL codes. Just disconnect it when going for your smog check.
Here is a pic of mine with trans temp (TFT), engine temp (FwT), volts, and RPM. You can display 4 gauges at a time. It plugs into your OBDII port constantly. It can also read CEL codes. Just disconnect it when going for your smog check.
Senior User
Joined: Jun 2011
Posts: 203
Likes: 0
From: Eugene, OR
I love mine. I leave it plugged in all the time. it shuts itself after 12 seconds of no input from the computer. I have mine set up almost identical to jh818, except that my water temp is on top and trans temp is on the bottom. I really like it.
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Elder User
Joined: Jun 2011
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From: Los Angeles
my over head lie-o-meter is broken so i should invest in one of these instead of getting that fixed??
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Cargo Master
Joined: Jul 2009
Posts: 2,885
Likes: 26
From: Chino, California
The only thing it displays from your lie-o-meter, I believe, is your mpg. There is no outside temp, nor miles to empty, nor compass.
Since I tow, I use it to track trans temp.
Since I tow, I use it to track trans temp.
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