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Originally Posted by djomlas
i did disconnect it, and car ran worse.
BUT, i never did disonnect it, disonnect the battery and wait a min or two, and then turn the car over....so ill try that when i get home, couse im really curious
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it doesn't matter if you unplug the battery before unplugging the MAF. it only matters that the car is off when you do it. if the car ran worse when you disconnected the MAF, the MAF probably isn't the issue. when you unplug the MAF, the car loads a default fuel map that does a pretty good job of running the motor.
i believe those codes are lean threshold on bank one (running rich) and rich threshold on bank 2 (running lean). to me, this indicates a potential vacuum leak. my guess would be the oil separator bellows or the oil fill tube.
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