P0457 replaced a lot, what is left?
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This is a discussion on P0457 replaced a lot, what is left? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; i had a local dealership look at my cel 7 times within a month and a half. cel is p0457, ...

  1. #1
    Supporting Member yamaha_rider619's Avatar
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    P0457 replaced a lot, what is left?

    i had a local dealership look at my cel 7 times within a month and a half. cel is p0457, emission leak, loose gas cap. The service manager told me they cannot find the leak and I need to go somewhere else to get it fixed. The fuel pump gasket and the fuel cap has been replaced twice, blue t piece vacuum has been checked, turbo inlet repaced with oem.

    At this point the mechanic smoke tested it multiple times and cannot find the leak. I will take it to a dealership on tuesday, but i want to try to find the problem myself tomorrow. Any advice would be greatly appretiated.
    Josh
    2003 Subaru Wrx Vf39'd
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    Moderator Donkey's Avatar
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    Could easily be any one of the rest of the vac lines tied in with the blue T. Also could be an issue with the charcoal canister.
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  4. #3
    Supporting Member yamaha_rider619's Avatar
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    So basically hoses connected to the t piece or the vapor canister?
    Josh
    2003 Subaru Wrx Vf39'd
    Bugeye mafia #300

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    He simply abides. SD_GR's Avatar
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    Look at the canister closely and look at the harness that has a clip there. That clip sometimes gets moisture trapped inside, corroding the contacts and causing a CEL.
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    Supporting Member yamaha_rider619's Avatar
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    I will check that out tomorrow for sure. I would have hoped the tech from the dealership would have looked at that though...
    Josh
    2003 Subaru Wrx Vf39'd
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  7. #6
    Registered User teflon_jones's Avatar
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    I don't know if the fuel system parts from my STi would fit Josh, but you're welcome to any of them for free.
    Scott
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    Supporting Member yamaha_rider619's Avatar
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    pm'd you scott
    Josh
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  9. #8
    Registered User teflon_jones's Avatar
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    I'm now going to charge you $1000 a part when you show up at my house tomorrow.
    Scott
    Past Subies - '11 STI Limited stage 1+ and '04 STi stage 2+
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    '77 F-150 heavily modded for off-roading

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    Supporting Member yamaha_rider619's Avatar
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    Bad news for me
    Josh
    2003 Subaru Wrx Vf39'd
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