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ok, no improvement in fuel consumption with new o2 sensor

was reading on another forum that

before i was gettin like 300, until i replaced the charcole canister.. seems to better now..

could this help?

i believe my charcole canister is unhooked

  • 1 month later...
ok, have replaced my o2 sensor with the ngk one for an r33 gts-t

part number 0ZA395E2AB

no difference to economy so far :yes:

what else can cause poor fuel economy

i dont get more than 300ks a tank from a 200rwkw gts-t (via usual mods, powerfc etc)

Changing the O2 sensor alone when you have a PowerFC won't really help. As cubes said, chuck it on the dyno and get your low RPM and low load cells checked out. Try get the tuner to tune them as close to 14.7:1 as he can, and then let the PowerFC O2 feedback do the rest.

  • 3 weeks later...
  • 2 months later...
Does anyone have a yes/no answer as to whether a O2 sensor from an R33 GTST will fit and work on an R33 GTR? It doesnt matter about plug type i just want to know whether it fits in the thread and works with the computer, an answer would be greatly appreciated.

Cheers

ayone got an answer for the above?

  • 4 weeks later...
  • 2 weeks later...
  • 5 weeks later...
  • 3 weeks later...

Pic of what I did with the stock plug and an EL Falcon oxygen sensor:

Btw NGK have a direct replacement for the RB25DET engine. Part Number OZA395-E2. ~$125 - $145 from repco

Needs some heat shrink around the individual wires will do that tonite.

el.stock.FINAL.jpg

  • 1 month later...

just purchased this earlier today and installed it/took it for a drive earlier and it seems to fixed a few issues i had. 1/ doesnt seem to hunt on idle anymore 2/ it now boosts better then before 3/ it rev's more freely. at the same time, i changed my fuel filter which i think assisted with the change in characteristics

ok, let me correct no. 2

i use to have a kinda surge feeling when i boosted it. it would only boost to about .1 bar when the accelerator was flattened and just feel like its lost all power and then pick up again. makes it feel really bad and kinda like its cutting out and then boosting again - if that makes sense. now however, it boosts fine and feels like it pulls harder. i drive the thing so i would know the before and after effects. but having said that, technically wouldnt a working o2 sensor help the ecu adjust its a/f ratio when boosting?

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