Nke mbụ, mgbanaka ikuku. Mgbanaka gas na-akpọtụrụ gas na-ere ọkụ na oke okpomọkụ na nrụgide dị elu, na okpomọkụ dị oke elu n'oge ọrụ. Igwe ọkụ na-ekpo ọkụ dị elu na nke dị elu na-abanye na piston mgbanaka oghere site na ọdịiche dị n'etiti mgbidi cylinder na piston ahụ, ma na-ezute mmanụ engine na-ebute site na mgbapụta mgbapụta nke piston mgbanaka, nke ga-eme ka mmanụ na-agbakọta na coke na. sie ike; na mgbakwunye, mgbe engine ahụ kwụsịrị, nkwụsị ikpeazụ nke mmanụ ọkụ a na-agbanye n'ime ụlọ combustion adịghị combusted, na n'okpuru omume nke residual elu okpomọkụ nke piston, ọ ga-abụkwa coke na ike, na n'ikpeazụ carbon nkwụnye ego ga-guzobere na etinyere na piston mgbanaka groove. Nke a bụ ụkpụrụ nhazi nke mgbanaka carbon mgbanaka gas. Naanị na mgbanaka ikuku, mmanụ engine na-ebute site na ntinye mgbapụta nke mgbanaka piston dị obere, na ọtụtụ n'ime ya bụ nkwụnye ego carbon nke a na-echekwa mmanụ ọkụ na-ezughị ezu. Nke ahụ bụ, ọtụtụ n'ime ihe nkwụnye ego carbon na-etinye na mgbanaka gas na-akpata site na mmanụ ụgbọala, àgwà na ọkụ ọkụ nke mmanụ ụgbọala na-emetụta kpọmkwem ọnụ ọgụgụ na ọdịdị nke nkwụnye carbon.

Mgbanaka piston na-arị elu na ala mgbe niile na mgbanaka piston, na cylinder abụghị okirikiri zuru oke. Piston na-emegharị elu na ala na cylinder ahụ, a na-agbanyekwa mgbanaka piston mgbe niile ma gbatịa. Nkwụnye carbon, nke a na-apịpịa ya mgbe niile, enweghị ike idowe ya, naanị ihe nkwụnye carbon dị na oghere azụ nwere ike ịdịgide. N'ikwu ya n'ụzọ ọzọ, ihe nkwụnye carbon na-ahapụ naanị n'otu akụkụ nke mgbanaka ikuku, ọ gaghị ekwe omume igbachi mgbanaka ikuku na-anwụ anwụ, ọ gaghị ekwe omume ime ka engine na-ere mmanụ ọkụ. N'otu oge ahụ, a na-etinye ihe nkwụnye carbon na oghere azụ, nke na-eme ka ọ dị ntakịrị belata oghere azụ, ma ọ nwere ike ime ka akara ahụ sie ike ma belata mmetụta mgbapụta.