Oldsmobile/Buick Repair: 1997 chevy dually 454 vortec, mass air flow sensor, mass air flow

Question
Hi tom its me once again so my buddy came by plugged his cen tech reader in and told me that po102 code and  test$07 ID:OCmeasures 8000 max-0 status -fail. Can you give me any info on that if you need some else let me know thanks

Answer
HI FRANK, THIS CODE IS FOR MASS AIR FLOW SENSOR OUT OF RANGE...I HAVE FOUND CODES FOR THE MASS AIR FLOW SENSOR AND FURTHER DIAGNOSES FOUND THAT THE OXYGEN SENSOR OR SENSORS WERE BAD OR BROKEN WIRING TO THE O2 SENSORS CAUSING THIS CODE..REASON WAS THE MASS AIR FLOW COULD NOT ADJ THE VALUE IT IS SET FOR BECAUSE THE O2 SENSORS WERE NOT READING CORRECT OR AT ALL.....YOU NEED TO GET THIS SCANNED AGAIN FOR DATA AND HAVE THEM CK THE OXYGENS SENSORS FOR READINGS...MAKE SURE THEY ARE RESPONDING..THIS IS VERY IMPORTANT TO FIND OUT..ALSO ON ALL OF THESE TRUCKS WITHT IS PROBLEM THERE WERE NO CODES FOR THIS...YOU HAVE TO GO BACK TO BASIC AND UNDERSTANDT HOW THIS SYSTEM WORKS AND RESPONDS TO THINGS...THIS IS THE TRUCK THAT I TOLD YOU TO CK THE WIRING TO THE MASS AIR FLOW CORRECT..LET ME KNOW HOW THIS GOES FOR YOU,,GOOD LUCK,,,TOM...