o2 sensor

  1. 2011SVT

    P0430 Code after Tune - Cat Issue?

    Hi all, long time reader here first time poster. Just bought an '11 SCREW in December and love my truck. Found it pretty much stock and started my build pretty soon after. Looking for some guidance on some issues I've been having to see if anyone has experienced them before. Truck has 137,00...
  2. drdjin

    Catalytic Converter: which one is the best in your opinion

    Hello all. I have a 2017 Raptor with almost 60k mi, never really had any major issues, but finally I've been getting "P0420 - Powertrain Catalyst System Efficiency Below Threshold (Bank 1)" and "P0430 - Powertrain Catalyst System Efficiency Below Threshold (Bank 2)". So I'm taking this as a sign...
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