Automobile Level04-Hbse-U5-Regular Service of MPFI System

 

(Regular Service of MPFI System)

Q1.         MPFI system  D;k gSa \ blds D;k advantages gSa \

Ans.       Exhaust gas emission dks de djus ds fy, dkuwuu t:jrksa vkSj Engine ds performance dh demand dks c<+rk ns[krs gq, MPFI system dk iz;ksx gksus yxk gSA bl flLVe dks Motoronic Engine Management system Hkh dgrs gSA bl izdkj ds system esa lHkh cylinder esa viuk vyx&2 Jiyector }kjk fuel dks spray fd;k tkrk gS] ctk; blds fd carburetor }kjk ,d gh LFkku ls lHkh cylinder dks spry fd;k tk,A

               Advantages:-

(i)            blesa dkQh fu;fer :i ls Air fuel rative lHkh cylinders esa  supply gksrk gS ftlls lHkh cylinder esa developed power dk difference de ls de gksrk gS ftlls bl flLVe okys engine dh vibration de ls de gksrh gSA

(ii)           Engine dks nks ;k rhu ckj crank djus dh bl flLVe esa vko';drk ugha gksrh tSlk fd carburetor esa gksrk gSA

(iii)          Sudden acceleration ;k deaccelaration esa bldk rqjar response feyrk gSA

 

Q2.         ECM, Sensor ,oa Actuator ds ckjs esa crka,A

Ans.       (Engine Control Module):- bldk function fofHkUu sensor ls signal dks receive djuk gS] mUgsa manipulate djds actuator (,Dpq,Vj) dks mlh vuqlkj dk;Z djus ds fy, fu;af;= djuk gSA

Sensor:- bldk function fofHkUu parameter tSls fd temperature (VSEijspj), pressure, engine speed vkfn dks sense djrs gS vkSj mlh vuqlkj signal ECM dks Hkstrs gSA dqN main sensor gS– Crank angle sensor, Cam sensor, Throttle position sensor, AMF (,;j ekl ¶yks& Air Mass Flow) Sensor, Coolat temperature sensor, oxygen sensor vkfnA

Actuator (,Dpq,Vj):- budk dk;Z ECM ls Control Signal ysdj mlh vuqlkj dk;Z djuk gSA Mainly actuator fuel injector, Immobilizer Unit (bekscykbt+j ;wfuV) gksrk gSA

Throttle Body (FkzksVy ckWMh):- ;g ,d ,slh devoce gS ftldk iz;ksx air intake dh system dks air dh supply dks control djus ,oa mlh vuqlkj flySaMj esa ¶;wy batSD'ku dks fu;af=r djus ds fy, djrs gSA bls le;&le; ij carbo cleaner ls lkQ djrs jguk pkfg,A

 

               Fill in the Blanks:-

(i)            Sensor engine ds different …………. Dks sense djds ECM dks …………………….Hkstrs gSA

(ii)           Actuators ……………… ls control signal receive djrs gS vkSj mlh vuqlkj ------------------ djrs gSA  

(iii)          Processor …………… vkSj ……………. ls Data collect djds mfpr decision ysrk gSA

(iv)          ECM dk dk;Z fofHkUu ……………….. ls signal receive djuk]  signal dks manipulate djuk vkSj ----------------------------- control signal send djukA

(v)           MPFI system dks ……………………. Engine management system Hkh dgrs gSA

Ans.       (i) Parameter (iSjkehVj)   

(ii) ECM, (dk;Z) Function 

(iii) Sensor, Process

(iv) Sensor, Actuator

(v) Motronic