MG ZR 1.4 petrol engines - differences ?

Hi Guys,



I have two engines for my MG ZR facelift:



--) 14K4FP86 186635

F = Multi Point Injection with Catalyst - non VVC



--) 14K4M N56 728343

M = LPD



What does LPD means and what is the difference between the two engines?



Thank you very much for helping

Christian

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