Thread: Service engine light on- got some codes

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  1. #1 Service engine light on- got some codes 
    GTP Level Member gpse2000's Avatar
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    Well unfortunately my service engine light came on today. Came to find my gas cap open with the gas door shut so somebody messed with that. So I shut that and restarted car and service light still on. So I went To go get It scanned and got these codes

    P0440 (evap emission)
    P0131 (circuit low volt)
    P0137 (02 circuit low volt)
    P0440 (evap emission

    Help please?!
    2002 Denali Airaid MIT, Tint, 121k GARNET RED
    2006 GT S/C CAI, Plog, 3" DP, Flipped Mounts, DR STBs, SPO Grilles, SPO TIPS, Tint, Inlays, 120k BLEEN FOR SALE
    2000 SE 3.8 intake, dic swap, debadged, flipped mounts, rust mod 140k SILVERMIST SOLD
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  2. #2 Re: Service engine light on- got some codes 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    Have the codes cleared and try to scan for them again.
    Quote Originally Posted by W-Body Store
    Remember, GM engineers didn't take into account your need for speed.
    Daily Driver: 06 Grand Prix GT / 9.4:1 CR / IS3 Heads / Ported Gen V / ZZP Headers / HPT Pro / Pulleys: 4.25, 3.8, 3.5, 3.4, 3.2, 3.0, 2.9, 2.7
    Projects: 86 Monte Carlo SS / 98 Sonoma / 74 Honda CB750
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  3. #3 Re: Service engine light on- got some codes 
    GTP Level Member gpse2000's Avatar
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    How do I clear codes?
    2002 Denali Airaid MIT, Tint, 121k GARNET RED
    2006 GT S/C CAI, Plog, 3" DP, Flipped Mounts, DR STBs, SPO Grilles, SPO TIPS, Tint, Inlays, 120k BLEEN FOR SALE
    2000 SE 3.8 intake, dic swap, debadged, flipped mounts, rust mod 140k SILVERMIST SOLD
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  4. #4 Re: Service engine light on- got some codes 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    You should have been able to do it with the scanner, I know theres a way to tap the pedal so many times and turn the key a certain way for 97-03s to clear codes too, but I forgot exactly what it is.
    Quote Originally Posted by W-Body Store
    Remember, GM engineers didn't take into account your need for speed.
    Daily Driver: 06 Grand Prix GT / 9.4:1 CR / IS3 Heads / Ported Gen V / ZZP Headers / HPT Pro / Pulleys: 4.25, 3.8, 3.5, 3.4, 3.2, 3.0, 2.9, 2.7
    Projects: 86 Monte Carlo SS / 98 Sonoma / 74 Honda CB750
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  5. #5 Re: Service engine light on- got some codes 
    GTP Level Member gpse2000's Avatar
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    Oh well guess back to oriellys then!
    2002 Denali Airaid MIT, Tint, 121k GARNET RED
    2006 GT S/C CAI, Plog, 3" DP, Flipped Mounts, DR STBs, SPO Grilles, SPO TIPS, Tint, Inlays, 120k BLEEN FOR SALE
    2000 SE 3.8 intake, dic swap, debadged, flipped mounts, rust mod 140k SILVERMIST SOLD
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  6. #6 Re: Service engine light on- got some codes 
    GrandPrix Junkie dpzelenak's Avatar
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    replace your gas cap and the 440 goes away and replace the front(i think maybe the rear one, the code should say sens1 or sens2) 02 sensor and the other go away

    SMGPFC Member #10
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