Thread: Running lean in one bank?

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  1. #1 Running lean in one bank? 
    GrandPrix Junkie SDGTP99's Avatar
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    Ok so I got my car back today and its running lean in bank 2. What causes that, bad fuel injectors or somthin else?
    OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
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  2. #2 Re: Running lean in one bank? 
    donated to get this wow TorqueAutoMotiv's Avatar
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    vacuum leak/injectors lean bias o2 sensor

    98 gtp sedan forest green ,S1X intense cam,Intense pcm,Magnaflow exhaust, ubend delete,TEP trans 3.29's,3.4 smoothflow mps,Dyno'd 281hp and 371ft #'s of trq at the wheels
    http://www.cardomain.com/ride/3338681
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  3. #3 Re: Running lean in one bank? 
    GrandPrix Junkie SDGTP99's Avatar
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    It's just a vacuum leak in the injectors?
    OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
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  4. #4 Re: Running lean in one bank? 
    youtu.be/xhrBDcQq2DM FoSHO99's Avatar
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    Whats the exact code?
    2001 GTP PT61 Turbo, E85, Stock Motor
    2011 Chevy Cruze MT6 1.4L Turbo
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  5. #5 Re: Running lean in one bank? 
    GrandPrix Junkie SDGTP99's Avatar
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    Think it was something like 710. Don't think I kept the printout autozone gave me LOL. I look or scan again
    OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
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  6. #6 Re: Running lean in one bank? 
    donated to get this wow TorqueAutoMotiv's Avatar
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    sorry let me rephrase could be a injector problem a vac leak or a o2 sensor problem

    98 gtp sedan forest green ,S1X intense cam,Intense pcm,Magnaflow exhaust, ubend delete,TEP trans 3.29's,3.4 smoothflow mps,Dyno'd 281hp and 371ft #'s of trq at the wheels
    http://www.cardomain.com/ride/3338681
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  7. #7 Re: Running lean in one bank? 
    GrandPrix Junkie SDGTP99's Avatar
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    Ah ok, thx. I'll check for all three.
    OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
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  8. #8 Re: Running lean in one bank? 
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    Ok, I checked the injectors & replaced missing & broken plastic rings & also ran some fuel injector cleaner, to see if that would fix the problem. The SES light is still on & there's still a vacuum leak. I'm confused. Could it be a MAF problem?
    OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
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