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yes im using a wideband but not in this file i will send you an updated file in the morning

ok i will send you the next tune file with the updated parameters btw its a 2 bar map sensor ac delco

Customer has 02 silverado 5.3 with a turbo. Brought it in with no MAF sensor and is tuned to run off only MAP can anyone take a look at this scan file and give me a few suggestions?106726