Hall of fame for Quench (Retired) - krousdb - Page 2 - Fuelly Forums

Android Users - Coming Soon! - Migrating from aCar 4.8 to 5.0

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Old 06-30-2006, 02:54 PM   #11
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A digital multimeter would be cheaper. Free if you already have one.
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Old 06-30-2006, 03:31 PM   #12
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Originally Posted by Matt Timion
I'm planning on having a spot in the garage/gaslog for retired cars and a way to retire your vehicles. Garage/Gaslog is next on my list to finish up after the car is driving.
hey what about my car????

I went from 24mpg mixed to 31.4mpg mixed in the end.
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Old 06-30-2006, 11:23 PM   #13
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Well, if your car makes the top ten retired list then bully for it. There's only two retired now I think though.
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Old 06-30-2006, 11:49 PM   #14
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Well, if your car makes the top ten retired list then bully for it. There's only two retired now I think though.
It's not going to make any top ten list. Unless you strip the car, take out the engine and transmission and roll it down a hill. Maybe just maybe it will get a 10th spot.
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Old 07-01-2006, 03:52 AM   #15
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Doesn't metro have a retired firefly or something?
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Old 07-01-2006, 07:42 AM   #16
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He does, that's why I said three, that one, yours, compaq's, and I gues 4 four the accord that darin's retired.
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Old 07-01-2006, 07:17 PM   #17
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Originally Posted by krousdb
A digital multimeter would be cheaper. Free if you already have one.
How involved is this? Is it hard to do?
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Old 07-01-2006, 07:19 PM   #18
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Piece of cake, just find the wire with the signal and hook up the DMM.
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Old 07-02-2006, 02:02 AM   #19
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How involved is this? Is it hard to do?
Like Ben said, you just need to tap into the O2 sensor voltage output with the positive lead and ground the negative lead. But That being said, in your case, it probably won't be useful to you because Im assuming that you have a standard O2 sensor, 1-4 wire. A standard sensor has a range of 1 volt and is really just binary cycling between rich and lean, 0.1 and 0.9V. I'm not sure what you will be able to see with a DVM. Auto techs use an osciloscope.

In my case I have a LAF Sensor aka wideband which has a 0-5V LINEAR output. The output would be much more informative, especially in a vehicle that will purposefully burn lean. I theorize that I should be able to detect lean burn with the DVM by seeing a constant lean condition rather than the normal oscillation between rich and lean.
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Old 07-02-2006, 04:10 AM   #20
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I guess I need to retire my old Saturn. Since it's pretty clear that it won't be running anymore while I own it. I was so close to being an "expert" hypermiler which kicked in at 125% above EPA; this was even lifetime mpg.
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