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Mysterious problem of my m20b20 Discussion Forum relating to nonspecific BMW models from stock to mods, classic to latter models. Also including tech facts. Have fun with fellow members Go to page Previous1, 2, 3Next
Posted: Wed Dec 19, 2007 12:07 am Post subject: Re: Mysterious problem of my m20b20
highwaystar wrote:
encikbmwhitam wrote:
salam bro... my ride mengalami masalah lebih kurang macam hang la. cuma bezanya prob E30 aku... bila nak tarik or tengah speed tiba2 enjin macam CUTT-OFF dan kadang2 mati terus. penah sekali saya tengah speed kat hiway tetiba enjin mati. so, gelabah biawak jugak la nak lari dari lane kanan ke emergency lane. pastu kena tunggu dalam 10 - 15 minit baru bleh hidup. agak2 sama ka dengan problem bro shul kita ni? memang bikin hati runsing...
yours motronic or Ljet?
If L Jet, check your distributor rotor arm... mungkin haus ALSO please get new Fuel Pump Relay... This relay kekadang dah lama, so the current supply tak mencukupi. Cost new RM75
mine is motronic bro. rasanya... maybe la ada kaitan dengan ECU pasal saya punya alarm auto-lock. tiba2 satu hari tu enjin mati... alarm dengan central lock tiba2 out. terpaksa pakai kunci untuk bukak pintu. dah tu kena buka 1 per satu plak tu (kanan, kiri dan bonet). ada jalan untuk saya selesaikan masalah ni dak?
p/s: sori shul... terhijack thread. kebetulan prob lebih kurang.
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Mr_Bimmerasta Top Poster
Joined: Jun 07, 2007 Posts: 1717 Location: The Republic Of Penang
Posted: Wed Dec 19, 2007 1:23 am Post subject: Re: Mysterious problem of my m20b20
Takpa line kelia chaq,sekurangnya aku tau jgk apa puncanya...problem kita lebih kurang sama chaq,cuma aku punya kes enjin mati time masuk/drop gear....bila time nak potong jadi camni mmg gelabah gila la,mmg dangerous!!!
Enjin aku Ljet,byk kemungkinan kalu jadi kes camni,kena check 1per1 yg mana disyorkan oleh sifu2 kita, takut jadi lbh kronik....lgpun membahayakan kita semasa memandu...
Posted: Mon Dec 24, 2007 4:27 am Post subject: Re: Mysterious problem of my m20b20
betoi bro... masalah macam ni memang tak bleh buat main. kena kita tengah layan speed potong keta dia buat perangai... memang membahayakan la. aku bab ECU miyu ni tak pandai... kena hantar kat someone who knows lah. will check it out soon. thanks...!
_________________ keranamu, pahit ku telan jua...
aku, dia dan BMW...
irman Site Moderator
Joined: Mar 10, 2007 Posts: 503 Location: Ampang/KL
Posted: Mon Dec 24, 2007 4:32 am Post subject: Re: Mysterious problem of my m20b20
encikbmwhitam wrote:
betoi bro... masalah macam ni memang tak bleh buat main. kena kita tengah layan speed potong keta dia buat perangai... memang membahayakan la. aku bab ECU miyu ni tak pandai... kena hantar kat someone who knows lah. will check it out soon. thanks...!
kalo betul ecu prob.. boleh la try pakai ECU aku nye.. ade satu ECU m20b20 motronic punye tak pakai.. ade time nanti boleh check tgk..
Mr_Bimmerasta Top Poster
Joined: Jun 07, 2007 Posts: 1717 Location: The Republic Of Penang
Posted: Mon Dec 24, 2007 9:58 pm Post subject: Re: Mysterious problem of my m20b20
irman wrote:
kalo betul ecu prob.. boleh la try pakai ECU aku nye.. ade satu ECU m20b20 motronic punye tak pakai.. ade time nanti boleh check tgk..
Hmm...bleh gak tu,klu ecu motoronic ngam bleh masuk dgn Ljet punya socket bleh la aku try....alternator dh check OK,skrg aku tgh test run after setting idle bg tinggi skit,sbb sblm ni idling agak low,klu still jadi jgk penyakit ni aku akn check another source plak,bila jd camni bkn senang nk detect apa punca sbnr,perlukan masa & kesabaran sbb penyakit misteri aku nih jarang berlaku....tp bila sekali berlaku sendiri mau ingat la!!!
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jeembo Official Member
Joined: Nov 30, 2006 Posts: 1903 Location: Car_Junk
Posted: Tue Dec 25, 2007 11:05 am Post subject: Re: Mysterious problem of my m20b20
Mr_Bimmerasta wrote:
aku punya kes enjin mati time masuk/drop gear....
fuh misterinya kes ko nih...cam misteri alam nusantara... fuel supply pump ader tgk ka bro? vacuum ader leak ker...wiring ader short ker? ini kebarangkalian jer bro...worth checking....kalo engine ko tetiba cut-off atau mampos masa tgh speed...cek kable bateri ko kuat ker tak kuat ikat...pastikan korosion takda kat terminal...lps tuh cek sumer kabel drp bateri ke chassis...engine block...pastikan tak longgar...ini sumer minor2 checking sblm ko pk kepada problem yg lebih besar....just my 2 rupee:)
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Mr_Bimmerasta Top Poster
Joined: Jun 07, 2007 Posts: 1717 Location: The Republic Of Penang
Posted: Tue Dec 25, 2007 5:42 pm Post subject: Re: Mysterious problem of my m20b20
jeembo wrote:
fuh misterinya kes ko nih...cam misteri alam nusantara... fuel supply pump ader tgk ka bro? vacuum ader leak ker...wiring ader short ker? ini kebarangkalian jer bro...worth checking....kalo engine ko tetiba cut-off atau mampos masa tgh speed...cek kable bateri ko kuat ker tak kuat ikat...pastikan korosion takda kat terminal...lps tuh cek sumer kabel drp bateri ke chassis...engine block...pastikan tak longgar...ini sumer minor2 checking sblm ko pk kepada problem yg lebih besar....just my 2 rupee:)
Tetiba muncul plak si jeembo nih..hang hilang mana selama ni bro??senyap je tetiba muncul...camna hang punya projek e30 dh siap blum??kasi lansi la weh....
Btw thanks jeembo diatas suggestion2 hang,akan ku periksa satu per satu,bateri aku baru tukaq je,cable bateri pun semua baru....cuma valve cover ada leak skit,alternator ok,fuel pump aku blum check lg,vacuum problem pn bleh jadi gak sbb time aku start enjin,meter yg kat bwh rpm aku tuh mcm something je pergerakkannya...kejap naik kejap turun tak menentu...rasa2 mcm ada related je dgn penyakit misteri nih..
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eezuan .com Member
Joined: Jul 12, 2007 Posts: 46 Location: kuala lumpur
Posted: Thu Mar 13, 2008 3:18 am Post subject: Re: Mysterious problem of my m20b20
bro dah settle ke blum?
kereta aku pun ada masalah camtu gak...lepas check check ada wire sudah terbakar dekat kawasan mounting absober right side(driver side)
it's not actually a wire, but something like copper(kuprum) connector...
so,,copper tu dah terbakar skit... tinggal halus jer...
aku pun sambung kan terus (by pass) copper tu.. skang dah ok dah..
Mr_Bimmerasta Top Poster
Joined: Jun 07, 2007 Posts: 1717 Location: The Republic Of Penang
Posted: Thu Mar 13, 2008 6:11 am Post subject: Re: Mysterious problem of my m20b20
Setakat ni dah OK tp xtau la kot2 jadi lg....but punca sebenar masih mnjadi misteri,just tukar yg mana aku suspect je,aku tukaq baru cable bateri,pastuh servis AFM,tukaq gasket valve cover (sbb dh bocor) & servis sekali oso minor checking unt wiring,fuel pump,relay fuel pump,alternator bla,bla...
Bro,cooper yg dimaksudkan tu connector unt apa?? Any pic?? Anybody know what's that connector??
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chriseunos Official Member
Joined: Oct 31, 2007 Posts: 1081
Posted: Sat Mar 22, 2008 2:47 pm Post subject: Re: Mysterious problem of my m20b20
bro, check the O2 sensor and see. Try unplugging it and drive for awhile tengok.
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highwaystar MB Official
Joined: Jun 13, 2006 Posts: 5329 Location: Kola Lompuer
Posted: Mon Mar 24, 2008 3:04 am Post subject: Re: Mysterious problem of my m20b20
chriseunos wrote:
bro, check the O2 sensor and see. Try unplugging it and drive for awhile tengok.
L-Jet pakai O2 sensor meh?
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chriseunos Official Member
Joined: Oct 31, 2007 Posts: 1081
Posted: Mon Mar 24, 2008 4:43 am Post subject: Re: Mysterious problem of my m20b20
ehhh, now u mentioned...Jetronic dont have o2 sensor..hmmmm
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Mr_Bimmerasta Top Poster
Joined: Jun 07, 2007 Posts: 1717 Location: The Republic Of Penang
Posted: Mon Mar 24, 2008 6:01 am Post subject: Re: Mysterious problem of my m20b20
hehe...this problem jetronic bro,btw thanks for ur suggest chris!!
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