getting codes p0172;p0175 on a 09 silverado on 2009 Chevrolet Silverado 1500

Im getting two codes p0172-p0175 on a 09 silverado ext cab eng. code 0. any ideas

by in Murphysboro, IL on October 04, 2013
1 answer
ANSWER by on October 05, 2013
Possible restricted air filter, maf sensor or circuit, fuel pressure regulator, injectors etc... Needs to be checked with a REAL scanner.