My 2003 Chevy Silverado 1500 is running lean. Before this Happened my truck would just off while driving it. Is my Fuel pump?
My Truck is Shutting off while driving it. My engine Light just came on, I hookes up to Machine , and said my truck is running lean. Could it be my Fuel Pump/
You should have 45 psi on the fuel rail. If it is low, it will run lean. It could be a clogged filter or a worn pump.
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