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lambda o2 sensor

  1. Code 21 and 33 after BOV issue

    General Nissan Skyline Chat
    Hey Guys My R34 GTT had an issue about 2 weeks ago, I've got a HKS SQV bov on atmos. One fine day, tcs + slip + engine light and stuttering like a t*rd. About 3 days later I found the problem. It ended up being the cap over the recirc pipe had a lose ring and the top bolt of the BOV had come...
  2. Single Turbo and just one Lambda sensor?!

    As the Title. Is it possible to only use one Lambda sensor? Is there anyone that know how to do? //M