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08/11/2020 8:23 am
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Hi Scotty have a 2001 Chevy Tahoe 5.3L with Cylinder Misfire Detected Random Cylinders (P0300), you suggested change spark plugs, fuel filter, and test battery.
Fuel Mixture Imbalance(P0174), and Fuel Trim System Lean Bank 1(P0171).
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08/11/2020 9:07 am
well those codes show it's running lean check for vacuum leaks change fuel filter and pressure test the fuel pump if it's low pressure you will run lean because you don't get enough fuel pumped into the injectors
