o2 sensor

  1. D

    Acceleration loss at random while driving

    Background: Just rebuilt the motor, driven it around to seat the rings and get it home from school and while driving it I noticed that under acceleration it would just cut out then pick back up again almost as if i had let off the throttle then punched it again . I checked the diagnostic port...
  2. suprunner

    7MGE into 4Runner, Sub-O2 sensor code.

    Hi, I'm trying to finish up my 7M swap into my 1986 4Runner, and the computer is throwing Code 27. The FSM says that this is the Sub-O2 sensor. . . I didn't have a donor car, only the motor/ecu when doing this project, so I didn't get to see the exhaust. I'm assuming that either/or/both...