My r34 has been very thisty since i bought it over a year ago i could kill off £20 of fuel in about50-60 miles fitted the new sensor satuday and ive done 130miles to £20 of fuel and the car pulls alot better toi paid £16 for the universal sensor the best money i have ever spent
Nissan recommend changing the lambda every 5 years but it rarely gets done, I bought a Bosch one for mine , not sure about fitting an unknown one but if it works ......