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Code PO 101 Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine ODB2 Fault Codes whatupjoe New User Sep 6, 2009, 6:18 AM Post #1 of 5 (15875 views) Code PO 101 Sign In I put truck on scanner came up with PO 101 Can everyone help me what to do or look for to fix it please 2006 GMC Sierra SLE 5.3 109,000. Hammer Time Ultimate Carjunky / Moderator Sep 6, 2009, 7:42 AM Post #2 of 5 (15862 views) Re: Code PO 101 Sign In That indicates a problem with the data coming from Mass air flow sensor or it's circuit. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. Sidom Veteran / Moderator Sep 6, 2009, 7:45 AM Post #3 of 5 (15856 views) Re: Code PO 101 Sign In If you're running a K&N filter, get a can of MAF sensor cleaner & hope you didn't kill you MAF. whatupjoe New User Sep 6, 2009, 8:53 AM Post #4 of 5 (15846 views) Re: Code PO 101 Sign In Where can I find it at, (MAF sensor cleaner) call all part store, no luck!!!! Sidom Veteran / Moderator Sep 6, 2009, 9:33 AM Post #5 of 5 (15840 views) Re: Code PO 101 Sign In They may have it & not realize it. It will be in the carb cleaner, throttle body cleaner section. I believe Gumout (sp) makes it. The one I use is in a gray can. It's designed specifically for MAF sensors, not as harsh as carb clean & does a good job. The main area to clean is the little sensing wire inside the housing I stand corrected.....it's CRC (This post was edited by Sidom on Sep 6, 2009, 9:34 AM)   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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