CEL after oil change - Page 2
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This is a discussion on CEL after oil change within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Originally Posted by 02 wrx haha ya i kinda figured that out. lol but when i get the codes then ...

  1. #16
    Registered User wrx wagone's Avatar
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    Quote Originally Posted by 02 wrx View Post
    haha ya i kinda figured that out. lol
    but when i get the codes then what do i do?
    Post them here, so we can help you.
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  3. #17
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    do you think autozone would be a good place to get my codes read?

  4. #18
    Registered User CactusAndy's Avatar
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    YES! Anywhere that has an OBD II reader can give you the code and then you can post it here so we can try to figure it out for you

  5. #19
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    alright sweet ill have em in a bit

  6. #20
    He simply abides. SD_GR's Avatar
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    Quote Originally Posted by 02 wrx View Post
    but ya i purchased fuel right before the light came on haha
    does that have something to do with it???
    Well...
    Quote Originally Posted by SD_GR View Post
    Two choices: If you got fuel recently and the CEL appeared after that, remove and put the fuel cap back on and make sure it clicks several times, then wait a while to see what the CEL does. If you didn't get fuel recently get the CEL code and post the number, it will be something like POxxx.
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  7. #21
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    haha ya i checked the fuel thing right away cuz it said in the maual but i just got back from autozone and the code is po546

  8. #22
    Registered User CactusAndy's Avatar
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    That code is for your EGT probe (exhaust gas temperature) so you can replace it or do the resistor mod found here on the forums

  9. #23
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    whats the resistor mod compared to just replacing the bastard?
    haha

  10. #24
    Admiral Ackbar the 1st mycologist's Avatar
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    Wait, isn't the EGT there for a reason and shouldn't one wonder if it is detecting an actual problem?

    Do you have the stock exhaust with cats?
    "From a little spark may burst a mighty flame." - Dante
    "The stitch is lost unless the thread is knotted." - Italian proverb

  11. #25
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    ya for right now all i have on it is a bov and a cold air
    its pretty much stock

  12. #26
    Registered User CactusAndy's Avatar
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    Since the car is stock then you do need to replace the sensor, you would only do the resistor mod if you had aftermarket... the code is reading low or high circuit can't remember exactly but mainly its reading too cold which usually means the probe went out

  13. #27
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    will it screw up my car if i dont replace it until i get my catless turbo back?

  14. #28
    Admiral Ackbar the 1st mycologist's Avatar
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    Quote Originally Posted by CactusAndy View Post
    Since the car is stock then you do need to replace the sensor, you would only do the resistor mod if you had aftermarket... the code is reading low or high circuit can't remember exactly but mainly its reading too cold which usually means the probe went out
    Yeah, I was just checking that. It does mean too cold, so get a new probe. Unless your cat is failing and is taking out the probe before it chews up your turbo....

    I'd get a catless UP in there and ditch the sensor and disable the code or do resistor mod.
    "From a little spark may burst a mighty flame." - Dante
    "The stitch is lost unless the thread is knotted." - Italian proverb

  15. #29
    Registered User CactusAndy's Avatar
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    Agreed, just go with a new up and do the resistor mod, good luck

  16. #30
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    alright thanks fellas much appreciated!

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