Air/Fuel Guage Hook up Question
11-23-2002, 09:03 PM
#1
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Air/Fuel Guage Hook up Question
I am installing an Auto Meter Air/Fuel Guage on my '02 WRX. I have a quetion. The directions say there are differrent type O2 Sensors and I have to know what kind is being used to properly install it. I need to know the wire color code for the signal wire to/from the O2 Sensor. Hope someone can help me?
Thanks,
Mark
Thanks,
Mark
11-24-2002, 08:46 PM
#3
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Location: under the baseboards
Posts: 1,948
Car Info: a Ford
its the rear 02 sensor. you can find a writeup on this at www.projectwrx.com
11-25-2002, 08:25 PM
#6
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Join Date: Nov 2002
Location: Somerville MASS
Posts: 201
FYI
hooking up a normal A/F guage to a rear 02 sensor is WORTHLESS.(seriously, it tells you nothing having it that far back, ask around)
You need a 400-500 dollar wideband O2 sensor to get any kind of valid readings from it. The best place is to have an aditional bung welded into the up pipe or down pipe.
You need a 400-500 dollar wideband O2 sensor to get any kind of valid readings from it. The best place is to have an aditional bung welded into the up pipe or down pipe.
11-25-2002, 11:43 PM
#7
Registered User
Join Date: Nov 2002
Location: NY
Posts: 275
Car Info: o2 duburu arr exu
the rear o2 sensor is the common 1v sensor that is found in many other cars. the front is a wideband 5v sensor (please correct me if i'm wrong). if your car is stock, getting a/f ratios from the rear o2 sensor will work, but if you have no cats your readings will be all jacked up. my little apexi turbo timer wont even display a/f ratios anymore ever since i installed my headers and exhaust.
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