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p0420

  1. Glowing cat

    Repair & Maintenance
    This is gonna be flame fodder for 'tard of the year but here goes.... my broke ass never replaced my 2 year old cat that started getting a recurring p0420 code that I thought was 1zzge oil burning related. I got off work tonight, I thought everything seemed fine. About 10min into my commute, I...
  2. P0420 Advice

    Repair & Maintenance
    I know what the code is and I've done some research on the forums and found that right around 100k our cats start to fail. I believe in Doja's thread, several people recommended replacing the cat. I'm going to check the 02 sensors but I'm almost certain there's a leak due to some funny noises...
  3. engine compartment pop

    Repair & Maintenance
    Hey guys. two days ago I installed the aem cai on my 01 gt. Last night I was revving it while parked and I heard loud pop, like a backfire, in the engine compartment. Now when im driving at low speed (5-10mph) there's a rattle coming from the driver side. I slowly revved it in park but no...
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