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o2 sensor

  1. ECU Tuning
    Hey I Would like to keep my stock primary O2 sensor and as I understand the secondary sensor is narrowband anyways, so I would like to replace that with a wideband and have an additional pinout in the ecu that could read those readings for tuning reasons. But I am completely lost as to how to...
  2. 1st Gen - Problems and Fixes
    Hey guys I don't post on here much, still trying to learn my way around and don't get much time.. But I need some help. I have an '06 AT with DC headers/Injen CAI/APEXi exhaust. Emissions light came on a while back, throwing code P1157 "Manufacturer control fuel air metering." Called the...
  3. South West
    Hey guys I don't post on here much, still trying to learn my way around and don't get much time.. But I need some help. I have an '06 AT with DC headers/Injen CAI/APEXi exhaust. Emissions light came on a while back, throwing code P1157 "Manufacturer control fuel air metering." Called the...
  4. 1st Gen - Problems and Fixes
    I have a completely aftermarket exhaust system (see below) and I have been throwing the CEL code P0420 (Catalyst System Efficiency Below Threshold {Bank 1}). I bought an OBDII reader to clear this code (usually took a week or two to reappear) and after a while I got lazy and just left it on. I...
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