P1071 & P1074 codes came up
01-16-2010, 08:00 PM
#2
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check for an intake leak,what engine? there is a gm tsb for 5.3/6.0l engines that have a revised intake gasket set due to faulty gaskets,causing both the p0171/p0174 codes to fault.
02-19-2010, 02:09 PM
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DTC P0171 Fuel Trim System Lean Bank 1 DTC P0174 Fuel Trim System Lean Bank 2got these codes after changinge fuel pumpwhere are the leaks?is cut my trunk to access the trunk.is it just one of the hoses not snapped back in tight. or cuz the metal lid on t
