Hello Everyone,
I'm running into a code issue with my 2019 Mustang GT equipped with an ESS Centrifugal SC Eric@HPTuners
I recently installed and had a 3rd party company provide the base map and final tuning on my car.
Just for reference; I'm running Lu47 injectors, VMP BAP and NGK 6510 plugs at .025 gap.
I keep getting DTC's for P2BEC and P2BEE which is "Fuel System A Too Lean" (Bank 1 and Bank 2) and based on my research I've narrowed this down to the High Pressure (DI) side.
I am experiencing Lift Pump Pressure drop issues at WOT as the revs climb, however my STFT's and AFR's during these events are on point.
I'm not sure if the lift pump pressure drop and the codes are related because the codes get generated at low load and low throttle and the HPFP pressure seems to be stable at WOT and fueling seems to be good despite the lift pump pressure drop.
I'm hoping that someone can provide me with some insight as to where to start troubleshooting because I'm beating my head against the wall.
4th Gear WOT log attached.
Any help or direction is appreciated.