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  1. P420 code

    Started by Bluemagic, 04-25-2012 01:39 PM
    code, p420
    • Replies: 15
    • Views: 2,299
    Last Post: 09-18-2018 11:33 PM
    by Tank1031  Go to last post

    Forum:
    General Tech Discussion

  2. The dreaded P420 code in CA

    Started by ericwarner2001, 12-31-2013 10:55 PM
    catalytic converter, o2 sensor, oxygen sensor, p420
    • Replies: 14
    • Views: 4,291
    Last Post: 09-18-2018 11:18 PM
    by Tank1031  Go to last post

    Forum:
    Introductions/Noob Questions

  3. Will an aftermarket tuner such as a BullyDog allow me to delete code P420 from PCM?

    Started by grandprixgtcv3, 06-27-2013 05:33 PM
    aftermarket, bullydog, code, delete, p420, pcm, tuner
    • Replies: 8
    • Views: 3,506
    Last Post: 06-28-2013 01:22 PM
    by REDCRAPGP  Go to last post

    Forum:
    General Tech Discussion

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