Really pissed, weird stuff happening
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This is a discussion on Really pissed, weird stuff happening within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Today i was coming home from work and out of no where my cruse control light on the dash started ...

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    Really pissed, weird stuff happening

    Today i was coming home from work and out of no where my cruse control light on the dash started to go and of, on and off, and my check engine light is on. Do both of them mean something? Car seems to drive fine, no weird noise out of the hood.

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    Master Baiter EJ257's Avatar
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    CC is disabled whenever you throw a CEL

    Get the code read - it could be nothing serious, or it could be a real problem.
    2005 WRX STi (Mods | Virtual Dyno)

    Resident Tuner @ WTF Tuning, LLC

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    It is a code 420 :-). Something about my cat. Any more info?

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    Registered User teflon_jones's Avatar
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    What year/model is your car and what are your mods?
    Scott
    Past Subies - '11 STI Limited stage 1+ and '04 STi stage 2+
    '13 Wrangler Rubicon - custom front bumper w/12k lb winch & off-road lights, skid plates, diff guards, etc.
    '04 Porsche 911 Turbo GT2 clone 600 HP/TQ
    '77 F-150 heavily modded for off-roading

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    04 STi cat-back, blowoff valve lighter fw and stg 1 clutch 40,000 miles

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    Master Baiter EJ257's Avatar
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    Quote Originally Posted by Boost Freak
    It is a code 420 :-). Something about my cat. Any more info?
    Catalyst inefficiency / rear o2

    Sure there isn't a catless DP on the car?
    2005 WRX STi (Mods | Virtual Dyno)

    Resident Tuner @ WTF Tuning, LLC

    "Never trust anything that bleeds for a week and lives ..."

    UNYSOC

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    Cool just a bad rear O2. Is this normal on a 40k mile car?

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    Master Baiter EJ257's Avatar
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    Quote Originally Posted by Boost Freak
    Cool just a bad rear O2. Is this normal on a 40k mile car?
    This is a typical code for someone that puts an aftermarket DP on their car without EM (I threw it when I had the POS HKS DP on my car, which has since been replaced by the stocker)
    2005 WRX STi (Mods | Virtual Dyno)

    Resident Tuner @ WTF Tuning, LLC

    "Never trust anything that bleeds for a week and lives ..."

    UNYSOC

  10. #9
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    I have a stock DP, only a cat-back, could that be the prob? I bought the car w/ that thing already on. And do i need just to change the rear O2 or a new cat?

  11. #10
    Registered User Timdog1650's Avatar
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    I have thrown a 0420 on a totally stock high mileage 04 STi before. I cleared it and it hasn't come back in over 5,000 miles. I would say give everything a good once over in the engine bay to make sure there's nothing super obvious wrong with the car, and as long as the car runs and drives fine, I wouldn't spend a whole lot of time worrying about it.

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