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oxygen sensor

  1. Oxygen questions

    Engine Management
    A few questions on o2 sensors. 1. How does the obd1 honda control its fueling? oem, non chipped ecu (p06 i wanna say, don't quote me.) Is it reading the oxygen, then add/subtract from all cylinders equally? or does it cut two at a time? 2. Theres a header coming in with a bung on the...
  2. New to Honda, code 41 and HO2 sensor

    Engine Management
    Hi All, I'm new to the Honda world. I recently bought a 97 Civic EX 4dr/Auto/1.6 as a daily driver and have been pretty happy with my first Honda so far. My CEL came on a few weeks ago and using the jumper wire I determined it was a 41 primary O2 sensor heater fault. Incidentally when I tried to...
  3. Only getting 22mpg HELP!

    General Tech
    Hi guys, After reading the sticky on gas mileage, I've started to replace a few things that could be the culprit to my terrible gas mileage. Let me start with the specs of my car. Its a d15b block, d15b7 head, si headgasket (8.55:1 compression) Automatic transmission Oem everything. Tires @...
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