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P0402 and P1151 + 1152

Discussion in 'Under the Hood' started by hovering, November 30, 2010.

^^Searches ExplorerForum.com^^

  1. hovering

    hovering New Member

    November 14, 2010
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    Help needed :)

    My 96' Explorer runs rough up to about 500rpm.
    Checked the car with my OBDii code reader, and got 3 codes:
    P0402 - EGR flow malfunction
    P1151 - O2 upstream sensor ind. lean
    P1152 - O2 upstream sensor ind rich

    Can the reason for my rough engine be caused by the Oxygen sensor, or is it most likely an issue with the EGR?

    And/or can I be so lucky that the P0402 is caused by the P1151/1152??:D

    Any feedback is highly appreciated!
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