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  1. Join Date
    Sep 2009
    Posts
    1,136
    #1
    Mga ka tsikot konting advise nman dyan. Ung Auto ko, pag nakabukas ung aircon, nagvivibrate tapos bumababa ung RPM sa initial acceleration. Ung naka-stop ka tapos pag aandar ka na dun nangyayari, parang kinukulang sa hangin or gas ung makina. Appreciate your input.

  2. Join Date
    Jul 2003
    Posts
    2,267
    #2
    Bigyan mo kami na mas madami pang detalye tungkol sa kotse mo.

    Model, Year etc.

    Most likely, there is a problem with the idle up mechanism. But it will differ if your car is carb type or EFI type.

  3. Join Date
    Sep 2009
    Posts
    1,136
    #3
    Quote Originally Posted by fourtheboys96 View Post
    Bigyan mo kami na mas madami pang detalye tungkol sa kotse mo.

    Model, Year etc.

    Most likely, there is a problem with the idle up mechanism. But it will differ if your car is carb type or EFI type.
    Boss Honda City 2003 I-Dsi, Matic, CVT.

  4. Join Date
    Mar 2012
    Posts
    351
    #4
    Quote Originally Posted by wezz_zzew View Post
    Boss Honda City 2003 I-Dsi, Matic, CVT.
    uh oh...Honda City CVT... Pag nag reverse ka ba sir, sobrang ganoon din? try to have your transmission check or change mo na cvt fluid...

  5. Join Date
    Sep 2009
    Posts
    1,136
    #5
    Quote Originally Posted by marktams86 View Post
    uh oh...Honda City CVT... Pag nag reverse ka ba sir, sobrang ganoon din? try to have your transmission check or change mo na cvt fluid...
    Boss twice na ako nagpalit ng tranny. Sanay na nga ako pag nasisira eh. ha,ha. Nung unang nasira ung tranny ko, may nginig ung reverse pero at the end ang hindi gumana is ung D, S, L. (Palit Tranny) Second time na nasira, bigla na lang nawala lahat ng functions nung tranny. (Palit ulit). Hindi kaya ang problem eh dun sa sinasabi nilang servo.

    EDIT: nangyayari lang ung ganitong issue pag bukas A/C. Pag naka off, normal naman.

    Thanks!

  6. Join Date
    Mar 2012
    Posts
    351
    #6
    Quote Originally Posted by wezz_zzew View Post
    Boss twice na ako nagpalit ng tranny. Sanay na nga ako pag nasisira eh. ha,ha. Nung unang nasira ung tranny ko, may nginig ung reverse pero at the end ang hindi gumana is ung D, S, L. (Palit Tranny) Second time na nasira, bigla na lang nawala lahat ng functions nung tranny. (Palit ulit). Hindi kaya ang problem eh dun sa sinasabi nilang servo.

    EDIT: nangyayari lang ung ganitong issue pag bukas A/C. Pag naka off, normal naman.

    Thanks!
    I see..baka naman alternator... sorry di masyado expert...

    konting OT lang boss, saan ka nagpapalit tranny at magkano inaabot? just preparing just in case magkaproblema ako sa tranny since yun talaga ang known problem nang cvt nang honda city... i own a 2006 city idsi cvt as well...

  7. Join Date
    Apr 2011
    Posts
    27
    #7
    Quote Originally Posted by wezz_zzew View Post
    Boss twice na ako nagpalit ng tranny. Sanay na nga ako pag nasisira eh. ha,ha. Nung unang nasira ung tranny ko, may nginig ung reverse pero at the end ang hindi gumana is ung D, S, L. (Palit Tranny) Second time na nasira, bigla na lang nawala lahat ng functions nung tranny. (Palit ulit). Hindi kaya ang problem eh dun sa sinasabi nilang servo.

    EDIT: nangyayari lang ung ganitong issue pag bukas A/C. Pag naka off, normal naman.

    Thanks!
    Tama ka dyan bossing. Baka sa Idle system ang issue ng kotse mo. The best dyan ay palinis mo muna ang throttle body mo, kasama ang IACV. Dapat dun sa talagang alam ang gagawin dahil pagkatapos linisan ay mag idle leaning pa yan.

    Kung meron kang previous issue na AC repair and re-charging, pa check mo din kung tama talaga ang R-134A amount na nailagay dyan (400-450 grams)

  8. Join Date
    Oct 2002
    Posts
    15,528
    #8
    check your compressor pulley, baka tumitigas na and nag strain sya sa makina.

  9. Join Date
    Jul 2012
    Posts
    329
    #9
    Quote Originally Posted by 1D4LV View Post
    check your compressor pulley, baka tumitigas na and nag strain sya sa makina.
    napapalitan ba bearing ng compressor?

  10. Join Date
    Jul 2012
    Posts
    329
    #10
    bought new hitachi ign coils, car is ok

  11. Join Date
    Aug 2009
    Posts
    109
    #11
    Bakit sir wala po ba warranty yung kela mang Mel Casaba? Bakit parang ang bilis po nasira


    Sent from my iPhone using Tapatalk

  12. Join Date
    Sep 2009
    Posts
    1,136
    #12
    Quote Originally Posted by micvel View Post
    Bakit sir wala po ba warranty yung kela mang Mel Casaba? Bakit parang ang bilis po nasira


    Sent from my iPhone using Tapatalk
    Warranty ni Mel Casaba 3 months, inabot naman ng more than 1 year ung new tranny. Kaso inabuso ko ulit eh. Ginanahan ako sa bagong tranny, ganda ng takbo, ayun, 2 fast 2 furious na naman ang driving attitude ko pag nasa highway.

  13. Join Date
    May 2013
    Posts
    3
    #13
    Quote Originally Posted by wezz_zzew View Post
    Mga ka tsikot konting advise nman dyan. Ung Auto ko, pag nakabukas ung aircon, nagvivibrate tapos bumababa ung RPM sa initial acceleration. Ung naka-stop ka tapos pag aandar ka na dun nangyayari, parang kinukulang sa hangin or gas ung makina. Appreciate your input.
    sir, nasolve mo na ba tong problem ng oto mo na to? ganyan din kasi problema sa akin pero manual 09 city model ko.. thanks

  14. Join Date
    Sep 2009
    Posts
    1,136
    #14
    Quote Originally Posted by monch View Post
    sir, nasolve mo na ba tong problem ng oto mo na to? ganyan din kasi problema sa akin pero manual 09 city model ko.. thanks
    Mejo nawala nung nilinis ung trottle assembly ko pero minsan pag tanghali ako nagddrive at naka A/C sumusumpong pa din. Anyway, mas madalas naman ako mag drive ng open window kasi lagi ako soundtrip pag nasa byahe. Panlaban sa antok/pagod ung bass ng set up ko.

  15. Join Date
    Oct 2010
    Posts
    20
    #15
    Good day tsikot,
    i have almost the same problem . But i dont know if i should start a new thread.
    2007 1.8 fd
    pag naka on ang ac tapos nag brake, bumabagsak idle ko patang mamatayan. I think auto idle and fd at kelangan ireprogram or relearn ang idle?
    Dinala k sa casa alabang. Pinaiwan isang araw. Nag diagnostic at advise na papalitan buong computer 30k++. Hindi daw nag aayos ng ng ecu/ecm?
    Ano po prob nung akin? Idle lang or iba? Ano pa options ko ? Thank you

  16. Join Date
    May 2011
    Posts
    227
    #16
    Hi ganyan din nanyayare sa Honda CVR 2003 ko pansin ko pag bukas AC lights radio lahat na.. may vibration at sounds sa makina at dropping rpm sabi ng Tito ko. First sinubukan ko pacheck un compressor at bearing sa aircon shop sabi walang problem daw pacheck ko daw muna sa mekaniko un support niya baka dun daw may problem pero sabi ng Tito ko baka sa idle up may problem kasi daw dropping daw sa 1/1000 rpm kaya parang hirap in making.

    What do you think idle ba may problem? Or iba

  17. Join Date
    Jan 2015
    Posts
    4,580
    #17
    ^ most probably sa idle yan. i experienced that with my LXi before kasi pag on ng aircon bababa yung rpm so talagang mag vibrate. yung engine support naman other than vibration ay iba pang sound kang marinig kung nakadaan ng potholes.

  18. Join Date
    Mar 2008
    Posts
    6
    #18
    Sa idle po daw mga sir. Ang una po nya pinagawa is pina reface yung top cylinder baka daw singaw. Kaso ngayun po mas lumala wala po menor.

  19. Join Date
    Oct 2015
    Posts
    2
    #19
    ok pa po ba yung thread na to?

  20. Join Date
    Mar 2007
    Posts
    159
    #20
    Experienced this with my 97 civic with CEL code 14. i clean first the throttle body and IACV with break cleaner. gumanda ng konti takbo but meron prin konti problem sa idling. then i replaced the iacv sensor, but still the same. i checked the ECU, may konting sunog ako nakita na transistor. replaced the transistor(P25 from deeco). that solved the problem, nawala pa CEL indication.

    My Conclusion:
    Pag nag dumi ng husto ang IACV, na stock-up yung mechanical part at maaring ikasira ng IACV sensor. at pag nasira sensor, maari ding ikasunog ng transistor controlling the iacv sensor from ECU/computer box.

    Hope this help.

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Vibration + dropping RPM during initial acceleration when A/C is ON.