oh dear check engine light
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This is a discussion on oh dear check engine light within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; im throwing 7 diffrent codes need help its an 04 wrx with cobb down pipe and exhaust (no cats) and ...

  1. #1
    Registered User sawb_wrx's Avatar
    Join Date
    Jun 2010

    oh dear check engine light

    im throwing 7 diffrent codes need help its an 04 wrx with cobb down pipe and exhaust (no cats) and thats it and some ****ty bov p1518 p0851 p1152 p1153 p0137 p0502 p0503 any help please it wont idle it will drop and wont stay in boost

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  3. #2
    Registered User Skreekin's Avatar
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    May 2005
    Bellingham, WA
    P1518 Starter switch circuit low input
    P0851 Neutral switch input circuit low
    P0137 O2 Sensor circuit low voltage bank 1 sensor 2
    P0502 Vehicle speed sensor low speed
    P0503 Vehicle speed sensor high speed
    P1152 -O2 sensor range(low)
    P1153 -O2 sensor range(high/erratic)

    I have no idea what these codes mean, but this is from assorted subaru sites, including this one. Are you running AP??

  4. #3
    Super Moderator   Sasquatch's Avatar
    Join Date
    Apr 2004
    Southeastern PA
    I Support ClubWRX
    Are you using some form of engine management? Reads like a no.
    Moderator for all public forums
    ScoobyDMC #003 Blobeye Syndicate #10
    2004 WRX Sedan PSM 5MT Tactrix Stage 2+ Blouch TD04 19T @ 21 psi
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  6. #4
    Admiral Ackbar the 1st mycologist's Avatar
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    Oct 2005
    Late Devonian
    I Support ClubWRX
    I agree adamantly the car needs a tune.

    This sounds maybe like a grounding issue or something.
    "From a little spark may burst a mighty flame." - Dante
    "The stitch is lost unless the thread is knotted." - Italian proverb

  7. #5
    Moderator Donkey's Avatar
    Join Date
    Apr 2005
    Da boonies,Va
    I Support ClubWRX
    Are the green diagnostic connectors under the dash together? If they are take them apart.
    Resident Adviser @ WTF Tuning, LLC
    2002 FORESTER S
    1998 FORESTER S

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