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  1. Join Date
    Jun 2012
    Posts
    171
    #1
    Guys, i need your expert advice ulit... naging normal na yung idle ko for 2 months, pero ngayon bumababa nanaman sya minsan sa gitna ng byahe pag naka stop or hindi naka-apak sa silinyador.. twice or thrice namatay din engine ko.. a few days ago lang nagsimula eh.. ano kaya problem?? kakapalinis ko lang ng TB, MAF, IACV AAC, etc. 2 months ago eh..

    kelangan na ba palitan talaga yung MAF? nung nagtanong ako sa shell service sabi baka daw nagloloko na servo ko pag mainit na.. true kaya?? pag sinabing servo ba eh yung MAF yun??

    kakapalit ko lang din ng TPS..really need your advice mga sir kung talagang palitan ko na yung MAF ko.. thanks in advance!!

    car details:
    96 nissan sentra series 3 super saloon (b14)

  2. Join Date
    Nov 2011
    Posts
    473
    #2
    Quote Originally Posted by OniLord View Post
    Guys, i need your expert advice ulit... naging normal na yung idle ko for 2 months, pero ngayon bumababa nanaman sya minsan sa gitna ng byahe pag naka stop or hindi naka-apak sa silinyador.. twice or thrice namatay din engine ko.. a few days ago lang nagsimula eh.. ano kaya problem?? kakapalinis ko lang ng TB, MAF, IACV AAC, etc. 2 months ago eh..

    kelangan na ba palitan talaga yung MAF? nung nagtanong ako sa shell service sabi baka daw nagloloko na servo ko pag mainit na.. true kaya?? pag sinabing servo ba eh yung MAF yun??

    kakapalit ko lang din ng TPS..really need your advice mga sir kung talagang palitan ko na yung MAF ko.. thanks in advance!!

    car details:
    96 nissan sentra series 3 super saloon (b14)
    kabitan mo na yan ng OBD para malaman kung may problema mga sensors... meron ba check engine light?

  3. Join Date
    Feb 2009
    Posts
    5,167
    #3
    Quote Originally Posted by jresperanza View Post
    kabitan mo na yan ng OBD para malaman kung may problema mga sensors... meron ba check engine light?
    first, let's go back to the definition of OBD. it is, on board diagnostics, with, as of this writing, is either OBD I or OBD II. if you say kabitan ng OBD you probably meant - connect to a code reader or a diagnostic scan tool. it is a very colloquial term most people who don't have technical training and basing their theory on hearsay. please refrain from advising people who need help if you are not trained and familiar with these systems. it makes you look like madame auring erfelo.

  4. Join Date
    Feb 2009
    Posts
    5,167
    #4
    Quote Originally Posted by OniLord View Post
    Guys, i need your expert advice ulit... naging normal na yung idle ko for 2 months, pero ngayon bumababa nanaman sya minsan sa gitna ng byahe pag naka stop or hindi naka-apak sa silinyador.. twice or thrice namatay din engine ko.. a few days ago lang nagsimula eh.. ano kaya problem?? kakapalinis ko lang ng TB, MAF, IACV AAC, etc. 2 months ago eh..

    kelangan na ba palitan talaga yung MAF? nung nagtanong ako sa shell service sabi baka daw nagloloko na servo ko pag mainit na.. true kaya?? pag sinabing servo ba eh yung MAF yun??

    kakapalit ko lang din ng TPS..really need your advice mga sir kung talagang palitan ko na yung MAF ko.. thanks in advance!!

    car details:
    96 nissan sentra series 3 super saloon (b14)


    looks like you are trying to strike the pinata blindfolded hoping you hit it. check the basics first. check your fuel system: fuel pressure, fuel volume per unit time, check your ignition, check your power feed to your pcm. if you are trying to figure out a ghost problem, check the obvious to eliminate possibilities. the most common mistake is to "blame the computer first or its related components". try not to go into the more technical side until you have done the routine maintenance items.

  5. Join Date
    Jul 2008
    Posts
    351
    #5
    there are many possible causes of erratic idling and some of those are vacuum leak, wrong timing, faulty fuel intake, electrical or grounding problem, etc...

    as what jick suggested, eliminate all the basics first. dont conlude that yours is a MAF sensor problem right away..

  6. Join Date
    Feb 2009
    Posts
    5,167
    #6
    Quote Originally Posted by phezthie View Post
    there are many possible causes of erratic idling and some of those are vacuum leak, wrong timing, faulty fuel intake, electrical or grounding problem, etc...

    as what jick suggested, eliminate all the basics first. dont conlude that yours is a MAF sensor problem right away..




    hehehehe not enough evidence to incriminate the MAF. case thrown out

  7. Join Date
    Jun 2012
    Posts
    171
    #7
    any suggestions mga sir kung san maganda ipa-check yung problem ko? taga pasig po ako.. TY

  8. Join Date
    Sep 2006
    Posts
    1,266
    #8
    I had the same problem with my lynx. Hindi stable ang rpm pag idle. Pag na switch na AC, minsan namamatay yung makina. Pinacheck ko maf okey naman. Pinalinis ko na rin tb. Nilinis yung intake air control valve pero sira na daw ito at need na palitan. But as others have suggested, marami ding cause ang erratic idling. Hth..

  9. Join Date
    Jan 2012
    Posts
    31
    #9
    Quote Originally Posted by OniLord View Post
    any suggestions mga sir kung san maganda ipa-check yung problem ko? taga pasig po ako.. TY
    Sir baka gusto nyo try ang shop namin ,specialized kami sa engine driveability problems




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faulty MAF sensor?