MR2 SpyderChat banner

o2 sensor

  1. o2 sensor extension

    Performance Modifications
    I had a obx header and downpipe installed last week but the o2 sensor wires are not long enough. I'm short about 17 inches off the factory sensor wires and can't seem to find any extensions online.anyone know where I can get extensions or an aftermarket sensor with long enough wires?
  2. Can/should my '03 MR2 Spyder have only 2 pre-cat O2 sensors?

    Care, Maintenance, and Troubleshooting
    Hi - New member & pretty new Spyder owner in Australia (Perth). I've been progressively troubleshooting a CEL issue on 2003 model that garage says is O2 sensors, which is still not resolved, and will be subject of another (extensive!) post! As this problem has got me exploring the engine in...
  3. Comprehensive O2 Sensor Replacement Parts List

    Care, Maintenance, and Troubleshooting
    It took me a long time to sift thru the search results to find a comprehensive list of parts, tools, and supplies I needed to change out my O2 sensor. Rather than add to one of the myriad threads on the subject, I'd rather start another one. This way all the useful information is at the top...
  4. Where are the O2 front sensor wires (to sensor and to computer) located in the cab?

    Care, Maintenance, and Troubleshooting
    I am installing an EFIE (O2 sensor enhancer) for my 2001 MR2 Spyder...does anyone know where they are located and have a photo labeling them so I can hook up the EFIE inline? Also...are the wires analog or digital or both? I'm thinking the wires are the OBD ii I right? My EFIE needs...
  5. Quick question ( heater circuit bank 1 sensor 2 )

    Care, Maintenance, and Troubleshooting
    I recently was unable to complete my emissions test due to a check engine light. The heater circuit bank 1 sensor 2 is causing the issue. After reading the forums, I concluded the driver side, as seen in the picture is sensor 2. After driving for 100 miles the check engine light returned, could...
  6. Oxygen Sensor + tan box

    Care, Maintenance, and Troubleshooting
    All, I need help; I tried searching around this site (& Google), but can't seem to find what I need. My CEL came on and the comp says "P0136. Oxygen sensor... circuit bank 1, sensor 2... See p2270 & P2271" and then lists the same codes again, but as 'pending'. I saw in another thread that...
  7. WOW on vapor canister change

    Care, Maintenance, and Troubleshooting
    I am the third owner of a 2001 spyder with currently 103k miles on it. The car was running decent but had a couple of details that did not let the car run to its full potential. First; the idle was rough, the engine hesitated on acceleration and the engine felt a little bit tired. I went...