P0170 Fuel Trim Malfunction Unlocking the Code to Engine Performance

2 days of running the canned tunes and he started getting this code. He's erased it a couple times and it keeps coming back. He's all freaked out now. The most common problem associated with this code is the MAF sensor or air mass meter. This is especially the case with Mercedes-Benz and Volkswagen and other ... Codes P0170 through P0175 are caused by either unmetered air entering the engine or excess fuel entering the combustion chamber, though it could ... The fault code P0170 Fuel Trim Bank Pending. Car seems to be driving fine. Have checked all hoses and no obvious tears. Fuel cap is on nice and tight. PCM & Fuel Systems - Engine Code P0170 - showArrow( 7/15/2007 6:22:50 PM ,156636,23,false)Engine Code P0170 - Fuel Trim Malfunction (Bank ... This code can be very difficult to resolve, and have many possible sources. The greater danger for most of us lies not in setting our aim too high and falling ... Steps taken: Thoroughly cleaned out throttle body. Pulled and cleaned the MAF sensor. Both with the appropriate cleaners. Cannot find any leaks, ... Minivan, SUV, & Truck - P0170: Fuel trim malfuction (bank 1), P0172: System too rich (bank 1) - My Odyssey (2001) is running rough, ... mine was bad front 02 sensor. If you have a pocket logger then pulg it in and see what the sensors operating range is. If its not moving at all ... To check fuel pressure you need to have a gauge tapped into the fuel supply. The engine bay side. Poor fuel pressure and/or a restricted fuel ...