i keep getting these trouble codes every two weeks, replace fuel filter, cleaned Mass air flow sensor, airfilter, ran injector cleaner, cause this engine is 6 liter multi fuel injection, o2 sensor running fine, checked for intake vacum leak, none, I need help driving me nuts.
The codes you are geting are related to the mass air flow sensor you need to make sure you cleaned it well and with a cleaner specified for mass air meters brake and carb cleaner can hurt a mass air sensor. check that the air box and the hoses are secure and put on right clean the sensor agian and drive it if not you may need a new sensor did this happen after you cleaned it?
3.5" 09-11 Escalade Sierra Yukon Denali XL 6.2L V8 Heat Shield Cold Air Intake, K&N Filters 57-3058 2007-08 Yukon Tahoe Escalade Performance Air Intake, 3.75" UNIVERSAL ROUND TAPERED AIR FILTER+INTAKE SILVERADO/SIERRA/ESCALADE BLUE, BLUE CADILLAC ESCALADE 6.2L V8 HEAT SHIELD COLD AIR INTAKE KIT 2009-2011, RED CADILLAC ESCALADE 6.2L V8 HEAT SHIELD COLD AIR INTAKE KIT 2009-2011, BLUE CADILLAC ESCALADE 6.2L V8 HEAT SHIELD COLD AIR INTAKE + FILTER 2009-2011, aFe 54-10091 Air Intake System 00-07 Chevy Cadillac GMC Silverado Escalade Yukon, BLACK 07-08 CHEVY AVALANCHE/SUBURBAN/TAHOE/CADILLAC ESCALADE COLD AIR INTAKE RED, NEW BLACK 07-08 CHEVY AVALANCHE/SUBURBAN/TAHOE/ESCALADE COLD AIR INTAKE KIT BLUE, 07-08 CHEVY AVALANCHE/SUBURBAN/TAHOE/CADILLAC ESCALADE COLD AIR INTAKE BLACK RED, 07-08 CHEVY AVALANCHE/SUBURBAN/TAHOE/CADILLAC ESCALADE COLD AIR INTAKE BLACK BLU, 07-08 SILVERADO/TAHOE/SIERRA/YUKON/AVALANCHE/SUBURBAN/ESCALADE COLD AIR INTAKE R, BCP BLUE 07-08 Escalade/Yukon/Sierra Denali 6.2L V8 Heat Shield Cold Air Intake, 09-11 Escalade Avalanche 5.3 6.0 6.2 V8 COLD AIR INTAKE+ HEAT SHIELD, BCP BLUE 02-06 Escalade/Avalanche 1500 V8 5.3L/6.0L Heat Shield Cold Air Intake, RED CADILLAC ESCALADE 6.2L V8 HEAT SHIELD COLD AIR INTAKE + FILTER 2009-2011, 09-11 Escalade Avalanche 5.3 6.0 6.2 V8 COLD AIR INTAKE+ HEAT SHIELD, 02-06 Escalade V8 COLD SHIELD AIR INTAKE KIT+RED FILTER, 96-00 SUBURBAN/ESCALADE/SILVERADO/YUKON/TAHOE/SIERRA 5.0L/5.7L V8 AIR INTAKE 2P, 07-08 CHEVY AVALANCHE/SUBURBAN/TAHOE/CADILLAC ESCALADE V8 COLD AIR INTAKE RED, 07-08 CHEVY AVALANCHE/SUBURBAN/TAHOE/CADILLAC ESCALADE V8 COLD AIR INTAKE BLUE, 07-08 Escalade NBS 6.2 V8 Cold Air Intake Kit + Heat Shield, Cadillac 02-06 Escalade 5.3 6.0 V8 COLD AIR INTAKE KIT+ HEAT SHIELD, 09-11 Escalade Avalanche V8 Cold Shield Air Intake KIT + BLUE FILTER, BCP 09-11 Escalade Sierra Yukon Denali XL 6.2L V8 Heat Shield Cold Air Intake, BCP 09-11 Escalade Sierra Yukon Denali XL 6.2L V8 Heat Shield Cold Air Intake, 07-08 Escalade SUV 6.2 V8 Cold Shield Air Intake Kit + RED Filter, 07-08 Escalade 6.2L V8 Shield Cold Air Intake 3.5", 3.5" 09-11 Escalade Sierra Yukon Denali XL 6.2L V8 Heat Shield Cold Air Intake, 07-08 Escalade New Body Style 6.2 V8 Cold Air Intake Kit+ Heat Shield,