Ihe mmetụta nrụgide oriri ikuku (ManifoldAbsolutePressureSensor), nke a na-akpọ ya MAP. Ejikọta ya na ebe a na-eri ihe na tube agụụ. Site na ibu ọsọ nke injin dị iche iche, ọ nwere ike ịhụ mgbanwe nke oghere na ọnụọgụ oriri, wee gbanwee ngbanwe nke nguzogide n'ime ihe mmetụta ka ọ bụrụ akara voltaji, nke ECU nwere ike iji dozie ego ịgbanye na mgbanye oge.
N'ime engine EFI, a na-eji ihe mmetụta nrụgide oriri na-achọpụta olu oriri, nke a na-akpọ D injection system (ụdị njupụta ngwa ngwa). Ihe mmetụta nrụgide oriri na-achọpụta olu oriri adịghị achọpụta ozugbo dị ka ihe mmetụta nnabata oriri, mana achọpụtara ya na-apụtaghị ìhè. N'otu oge ahụ, ọ na-emetụtakwa ọtụtụ ihe, ya mere enwere ọtụtụ ebe dị iche iche na nchọpụta na nlekọta site na ihe mmetụta oriri na-eri nri, na mmejọ nke na-emepụta nwekwara ihe pụrụ iche.
Ihe mmetụta nrụgide oriri na-achọpụta nrụgide zuru oke nke ọtụtụ ihe oriri n'azụ trottle. Ọ na-achọpụta mgbanwe nke nrụgide zuru oke na manifold dị ka ngwa ngwa na ibu nke engine si dị, wee gbanwee ya na voltaji mgbaàmà ma ziga ya na njikwa njikwa engine (ECU). ECU na-ejikwa ego ịgbanye mmanụ ọkụ dị ka nha voltaji mgbaama siri dị.
Enwere ọtụtụ ụdị ihe mmetụta nrụgide mbata, dị ka ụdị varistor na ụdị capacitive. A na-eji Varistor eme ihe n'ọtụtụ ebe na usoro ịgba ọgwụ D n'ihi uru ya dị ka oge nzaghachi ngwa ngwa, nchọpụta dị elu, obere nha na ntinye mgbanwe.
Ọgụgụ 1 na-egosi njikọ dị n'etiti ihe mmetụta nrụgide varistor na kọmputa. FIG. 2 na-egosi ụkpụrụ ọrụ nke ụdị varistor inlet pressure sensọ, na R na FIG. 1 bụ ndị na-emegide nje R1, R2, R3 na R4 na FIG. 2, nke na-etolite akwa mmiri Wheatstone ma jikọta ya na diaphragm silicon. The silicon diaphragm nwere ike deform n'okpuru zuru oke nrụgide dị na manifold, na-eme ka mgbanwe nke iguzogide uru nke nje na-eguzogide R. The elu nke zuru oke nrụgide na manifold, ukwuu deformation nke silicon diaphragm na ukwuu mgbanwe nke silicon diaphragm. uru nguzogide nke nguzogide R. Ya bụ, mgbanwe n'ibu nke silicon diaphragm na-agbanwe n'ime akara eletriki, nke a na-eme ka sekit ejikọta ya dịkwuo elu wee pụta na ECU.
