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    voltage gauge vibrates

    hi, when i start my 2001 tahoe the voltage gauge starts shaking, even when i engage any electrical equipment such as opening a window, engage turn signal or lock or unlock doors the voltage drops like .2-.4 of a volt.. this is really annoying me.. what could be causing this?
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    Fuel Trim Bank 1 Long Term

    good day guys, i have been using a OBD2 data logger on my 2001 Tahoe with 5.3L engine, what i noticed from the log file is the difference between "Fuel Trim Bank 1 Long Term(%)" and "Fuel Trim Bank 2 Long Term(%)" at idle bank 1 is around 8.5% and Bank 2 is around 12.5% what could be...
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    Strange Engine Sound

    good day Guys, been having some issues with my 2001 Tahoe 5.3 and 4WD, the problem is when i start accelerating and reach 2000 RPM some strange sound comes from the engine which is similar to a folded paper hit something repeatedly, it only happens while driving and when i reach 2000+ RPM...
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    A/C only pulling air from outside

    having a problem with my AC, when i have it on or off.. its only taking air from outside.. even when i push the inside air switch.. nothing happens as if the internal motor isnt working.. how can i fix this? and is it a DIY job?

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