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Air fuel ratio gauge ?

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    #1

    Air fuel ratio gauge ?

    How do i conect a Air fuel ratio gauge, i know it goes to the o2 senor and ecu but how do i wirer it ? on the gauge i have pos + and neg - wires and then a green wire?
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    #2
    Originally posted by jdmboi type s View Post
    How do i conect a Air fuel ratio gauge, i know it goes to the o2 senor and ecu but how do i wirer it ? on the gauge i have pos + and neg - wires and then a green wire?
    it goes to the o2 sensor doesnt need to be connected to the ecu. your gonna have to drill through your firewall for it to be mounted as a gauge.

    Comment

      #3
      Originally posted by jdmboi type s View Post
      How do i conect a Air fuel ratio gauge, i know it goes to the o2 senor and ecu but how do i wirer it ? on the gauge i have pos + and neg - wires and then a green wire?
      Have you got a wideband fitted?

      Green goes to the wideband
      Positive to ignition
      Negative to ground


      Car Safety / General Servicing Checks --------Basic suspension checks

      My 5.7 LS1 Holden Ute

      A "Finished" project car is never finished until its been sold.

      If at first you don't succeed, Try again. Don't give up too easily, persistance pays off in the end.

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        #4
        you should be able to find a grommet to run the wires thru the fire wall. if you do end up having to make a hole make sure you put simething around the edges so you dont have bare sharp metal on your wires. i was lucky enough to have a grommet on the pass side that had nothing running through it since i have a dx with no ac...

        Ride List
        1990 Accord dx coupe - my baby (dsm turbo set up in progress) http://www.cardomain.com/ride/3202853
        2005 Mazda 6s - daily driver http://www.cardomain.com/ride/3171724(totaled)
        newest 2006 mazdaspeed 6 http://www.cardomain.com/ride/4073987/2006-mazda-mazda6

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          #5
          the green wire connects to the whit/red wire on the ecu.its in the d plug

          my new turbo build

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            #6
            Does it matter which wire on the O2 sensor. Or will any work.?

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              #7
              Hooking a AFR Meter up to the stock oxygen sensor, gives you nothing more then a light show. The only time you would wire directly off the ecu's connectors is if your running a "chipped" ecu, that knows how to understand a wideband o2, and you want a gauge.

              Otherwise there are aftermarket oxygen sensors / gauges that can provide a narrowband signal to the ecu, and a wideband signal to the gauge/datalogger, or wideband to both.
              PT3/6 Development Thread | My 1991 LX Coupe | DIY: 90-93 Tcu Fix

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                #8
                i have a wideband afr guage but i just notice my h23 doesnt have any o2 senors !? ..can anyone help?

                Comment

                  #9
                  Originally posted by jdmboi type s View Post
                  i have a wideband afr guage but i just notice my h23 doesnt have any o2 senors !? ..can anyone help?
                  What do you want help with?

                  You can't hook the gauge up to nothing, And I find it hard to believe that it doesn't have an O2 sensor.

                  Also the sensor need top be wideband, not just the gauge.


                  Car Safety / General Servicing Checks --------Basic suspension checks

                  My 5.7 LS1 Holden Ute

                  A "Finished" project car is never finished until its been sold.

                  If at first you don't succeed, Try again. Don't give up too easily, persistance pays off in the end.

                  Comment

                    #10
                    Yeah no o2 senor, i checked everywhere , and theres no hole for the o2 on my dc sports header ..so can i just wire it to the ecu ?

                    Comment

                      #11
                      Originally posted by jdmboi type s View Post
                      Yeah no o2 senor, i checked everywhere , and theres no hole for the o2 on my dc sports header ..so can i just wire it to the ecu ?
                      That wont do anything - If the ECU isn't getting a O2 signal then neither will the gauge.
                      Is the engine check light ON?

                      Also as we keep telling you - Its a waste of time connecting it without a wideband sensor anyway.


                      Car Safety / General Servicing Checks --------Basic suspension checks

                      My 5.7 LS1 Holden Ute

                      A "Finished" project car is never finished until its been sold.

                      If at first you don't succeed, Try again. Don't give up too easily, persistance pays off in the end.

                      Comment

                        #12
                        Yeah...im just going to sell it..and no, no check engine light on

                        Comment

                          #13
                          Originally posted by jdmboi type s View Post
                          Yeah...im just going to sell it..and no, no check engine light on
                          ????

                          Comment

                            #14
                            are you running a chipped ECU?
                            -1992 Accord EX H22 234whp 185wtq
                            -1993 Accord EX SOLD
                            -1995 Accord EX Wagon Daily Driver
                            -2012 GMC Canyon V8 4x4

                            Comment

                              #15
                              It's pointless to have unless you have a wideband. So you can adjust accordingly.
                              a narrow band o2 only cycles back and forth in a short range. so your gauge wil constantly go up and down .
                              "Self Renewed"

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