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Air/fuel Gauge (autometer)install Help!

SS#eater

By SS#eater,
in General Maintenance

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  • 2 weeks later...
  • 1 month later...
Kennedy Mentor

Kennedy

Posted
Posted
what does this gauge tell you anyways?? new to this still trying to understand my car

On your turbo dump pipe (which leads to your exhaust) you have a sensor which detects 02. Based on this info the ECU will lean out the fuel whenever it is safe to do so (when you back off the throttlle etc etc). If the sensor isnt working properly then the ECU wont lean out the fuel when its possible so you will get crap fuel economy :) for one thing (200k's to a tank). This gauge can tell you if the sensor is working or not.

mad082 Grand Master

mad082

Posted
Posted (edited)

on the stock sensor all the gauge does is tell you if the sensor is working or not. i have 1, simply for the flashy lights. that is the whole reason i bought it. i'm like a lyre bird. attracted to flashy things. i bought it a few cars before my skyline.

as for the wire, its easiest to go off the wire straight off the sensor off the dump. i did it on the sensor side of the plug (so its a bit away from the heat. also solder the wire on (and use as little as possible), don't use joiners as there is a voltage drop across them and will give your ecu false readings. remember the sensor works in 0.1v ranges so having a voltage drop will change what the ecu reads.

Edited by mad082
  • 3 weeks later...
chunkylover Enthusiast

chunkylover

Posted
Posted

Got one of these for my bday, and now trying to hook it up. I fed the signal wire to the engine bay, just want to know which of the 3 wires on the o2 senser do i connect it to? i see a white/blue, copper, and brown with tracer? this is on a RB25DET.

Cheers...

d00dz Grand Master

d00dz

Posted
Posted
Got one of these for my bday, and now trying to hook it up. I fed the signal wire to the engine bay, just want to know which of the 3 wires on the o2 senser do i connect it to? i see a white/blue, copper, and brown with tracer? this is on a RB25DET.

Cheers...

Do a search on "oxygen sensor" or "o2 sensor" It should come up with some links on wiring ford el sensors with the nissan wiring. And the colours.

One of them is the signal wire the other two are the heater wires.

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