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have replaced with new AC delco maf sensor,new egr valve,new air filter(dry) have checked for leaks between air filter tube none found.2007 chevy silverado 6.6 duramax engine code po101 maf and reduced engine power.will not go faster then 5mph.had a couple diesel guys look at it there stumped.so am i .please any help no good sitting.the scanner readings. ambient 61(f) Baro 29(inHg) cat te11 63(f) cat te 12 1242(f) ecu volts 14.83v Fuel pres 4691(psi) command egr 0.0% Egr error 0.0% fuel level 59.2(%) Engine rpm 717 Iat 68(f) Maf 7.14(lb/min) calc load 19.6(%) Ect 126(f) Map 26(inHg).any ideas or help . thank you
 
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