I got a cel for running lean, so I plug in my laptop and open kmanager. I do a quick data log and it shows I'm running 30:1. obviously that's not an acurate reading. Does that mean my o2 sensor is bad, or something else?
Sounds like your front o2 sensor(A/F sensor) is shot.
At WOT the ECU is in open loop, not utilizing the sensors and is running entirely off the calibration + long term fuel trim. The o2 sensors are only used during part throttle operation.
Last edited by MugsyTheGr8; 09-26-2008 at 11:21 AM.
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i have a similar problem and i bought a new primary 02 and mine is stuck at 14.1 all the time?
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