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smog test

  1. 03 raw nsx

    Smog check - oxygen sensor not ready

    I went for a smog check and couldn’t get tested - Twice. Couldn’t get past the oxygen sensor, oxygen sensor not ready? Does anyone know the drive cycle that needs to be done to set the oxygen sensor? TIA Rich Wong
  2. C

    Failed then Passed CA smog – OBDII advice & Drive Cycles

    Here is my semi-educated info, specific instructions beyond “just drive it” and experience on passing smog in California. If the Battery has been disconnected for replacement, service or if the codes have been cleared, the car may pass the emissions test but fail the OBD II systems test...
  3. L

    SOCAL NSX Smog Test Questions

    My 1991 NSX with 80000 miles is having problem passing the smog test. This year's CA emssion smog test form ask me to bring the car to special STAR smog station for detail testing. Car is modded with Tubi Exhaust and sport cat. Very certain car won't pass as is. Wild thought about asking...
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