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  1. R

    P0430

    Well thanks for all the info! I’m pretty sure the plugs and coils have been changed recently (she said a shop did it.) I don’t have access to a scan tool other than going to a shop. Mine is in NY at home. So should I do a pressure test on the fuel pump?
  2. R

    P0430

    So I changed the bank 2 sensor 2 a few days ago. At exactly 200 miles I was driving and was making a lane change and accelerated slightly and the check engine light came on for about 10-15 secs flashing and then went out. Still shuttering and lack of power. If there was a misfire detected you...
  3. R

    P0430

    Well here in Florida there is no inspection. So it doesn’t matter if the light is on. Basically when your hard into the throttle anywhere 3k rpm for higher it shutters and lacks power. I just switched the bank 2 sensor 2 and took it for a drive. Still does the same thing.
  4. R

    P0430

    So I cleared the code and 62 miles it came back on. I’m going to find a better scan tool to and check waves on the O2 sensors. Hopefully it’s just a bad bank 2 sensor.
  5. R

    P0430

    ok, so I will clear the code tomorrow and send an update if light comes back on.
  6. R

    P0430

    She is not mechanically inclined and I myself am here in Florida for the holidays. She is allowing me to use the vehicle for my stay. I'm unsure of a misfire but today probably 20 min after seeing the MIL on I was just exiting from a highway (on an incline) and had a slight load on the engine at...
  7. R

    P0430

    Hello all. While driving my friends 07 expedition I noticed the check engine light was illuminated. I stopped at an auto store and had them hook it up. The code was "P0430" which is "catalyst efficiency below threshold bank 2." If anyone else has had this code was it the O2 sensor or the...

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