Fuel System Enigma P0170, the Elusive Fault

Googling gives me P0170 Fuel Trim Malfunction (Bank 1) - fuel trim malfunction. It does have a rough idle but has not stalled. I've gone through ... It showed codes: P0170, P0111 and a code for the volumetric air flow (dont remember the code). Cleared them, P0170 came afterwards. I got a ... List of possible causes: - Intake air leaks - Faulty front heated oxygen sensor - Ignition misfiring - Faulty fuel injectors - Exhaust gas leaks - Incorrect ... 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 ... Got bored today decided to hook up GuzziDiag on the Tuono. Found one fault: P0170. P0615 P0170 Starting relay Short circuit to positive F. The p0170 code refers purely to the fuel mixture (air/fuel ratio) but without stating which way it's going. p0171 is mixture to lean and P0172 is too rich. Pull the vac line off the fuel pressure regulator and see if any gas drips out ... this means a bad regulator and will cause trim code.. Possible causes for fault code P0101 = ECM130A Air leakage to induction system, Dirty throttle body, Blocked crankcase ventilation or PCV nipple, Faulty MAF. Hi All, I currently have trouble codes P0133 and P0170 Bank 1 sensor 1 slow response Bank 1 fuel trim I have been battling the P0133 and P0170 ... Some 2015-2016 f-super duty vehicles equipped with a 6.7l diesel engine may exhibit an illuminated MIL with DTC P0170 (fuel trim bank 1) stored in the ...