Good morning Lou,
Found all the codes as well as explanations of work done after Replacement Engine. As follows;These are the codes;
P0153Explanations;Connect Porsche Systems Tester to vehicle and run engine diagnostics. Note faults and assess for course of correction. Readiness codes are not set. Road test to set flags,check diagnostics.Vehicle arrived with:Catalytic converter
efficiency, both banks not passed.
Oxygen sensing delay, bank 1 not passed.
No fault codes stored.Road tested, Fault code P0133 and P1219 faulted
P0133, Aging of oxygen sensor ahead of catalytic converter, cylinders 1-3, below lower limit.
P1249 Accelerator pedal potentiometer, signal implausible.Tested oxygen sensors, switched oxygen sensor to different bans. Fault codes persisted.
Additional code P0153
P0153 Aging of oxygen sensor ahead of catalytic converter ( cylinders 1-4, interruption signal.)Inspected fuel trim and mass air flow rates. Found Mass air flow sensor faulty. After replacement of MAF, road tested and set readiness monitors. No faults found after road test.No DME fault codes stored at this time.This was the last time in the shop.. Around 143 miles since then and check eng light came on with code P1276 ..
Hope this helps you??