2011 Accent AT - Engine Knock!

[mexophilia]

In my perspective, given na wala pang long term solution ang Hyundai/HARI sa knocking dapat at least give their customers the ECU replacement para at least safe and drivable ang mga units nila. Sa knocking kse pwede natin ma-tolerate yung annoying gargling sound pero yung low power dangerous na issue sa kalsada. Feeling ko ihaharap yan sa vehicle inspection department eh di papasa yan dahil sa sobrang unpredictable nang accelaration.

So far, wala akong nakikitang ibang solution itong problema kundi palakihin ito. Kung tutuusin nga dapat managot sila sa stress na natatamo ng mag consumers, so kung kailangan ma refund o ma replace unit this is the right time to do it kse wala pa silang long term solution. Ito yung time na pwede makapag demand ang consumers ng gusto nila kse wala pa solution. Sa toyota issue noon pwede pa repair-repair lang kse may solution na so yung part na defective ire-replace lang. Ngayon sa issue with Hyundai/HARI walang solution so pwede dumating sa point na balk pera.

Mukhang masakit ito sa ulo pasukin pero sa dami nating apektado di lang sa Accent, eh mai-pu-push thru ang demands natin sa mga ito.

[bratski]

di kaya sir wala pa din silang long-term solution kaya ayaw muna nilang mag replace ng ecu. i thought may directive ang HARI na stop muna ang ecu upgrade/replacement. low power ang magiging implication ng upgrade, now sa kaso ni sir mexophilia, humina naman ang aircon. it shows talaga na wala pang reliable solution ang HARI. kaya di ko muna dinadala kotse ko sa casa.

update: v-power gamit ko, not totally na address ang low power pero performs much better than xcs. had a long trip, from manila went to subic then went back to batangas. Thenthru roro, we went to calapan mindoro then by land to roxas pier (126 km) thru Nautical highway. It's a very NAUGHTY (1-way-lane) highway, haayyyy, daming road construction. thru roro again we went to caticlan then to kalibo. i decided to use petron blaze when we went back to subic (same route), daming pataas na kalye pabalik sa caticlan and mindoro, hirap ang kotse. i travelled more than 1000 kms (back & forth). Haaayyy! What An Experience! pagod, di ko na uulitin. okay sana biyahe ko, but when i went back yesterday in makati from subic, i got caught over-speeding, 130-150 kmph, sa NLEX...hehehe. baka lang ma-address ko kasi ang hindi kayang ma solusyunan ng HARI, baka mawala low power.

Super bilib nako sayo bro. Despite nag low power yung accent mo dinala mo pa sa subic with the inclined roads. Malamang after your road trip ang laki na ng muscle mo sa right leg mo kakapiga ng accelerator pedal pero hirap umusad. Stress level mo ngayon malamang at an all time high narin, isipin mo having to endure the low power. Ako hindi lumalayo sa bahay ang travel ng accent ko...within 5 kms radius lang from my house. Anything further and pakiramdam ko parang hindi nako makakauwi ng buhay (either mabangga or makabangga dahil sa bagal umusad, or mamatay ako sa stressfull driving)

[bratski]

*walterbishop
Ah manual pala sayo. Mas madali nga timplahin pag nag low power. Yung akin kasi im at the mercy of my transmission. Sa kasagsagan ng low power minsan pedal to the metal na pero may delay ang response mga 2-3 seconds, yun ang delikado sa a/t. For example merging sa expressway tapos no response, naku either hospital or cemetery nako pupulutin nyan.

[erj22]

nasa timpla nga siya...

[paulthealien]

hello guys,

pwede niyo po ba i describe yung knocking sound?

pag naka turn off yung radio eto ba yung parang may katabi kang diesel sa gitna ng traffic?


tia

[bratski]

hello guys,

pwede niyo po ba i describe yung knocking sound?

pag naka turn off yung radio eto ba yung parang may katabi kang diesel sa gitna ng traffic?


tia

Kaparehas niya yung tunog ng lumang taxi, ex corolla xl, lancer el. Pag paahon or kahit patag ang daan, pag napaaga ang shifting yung parang takatak na tunog. In the accents case, ganun din ang tunog but at a lower volume. So there is a good chance na hindi mapapansin ng driver unless you listen for it. Lumalabas yung sound usually at low rpms only, from 1,500-1,800 rpm. Sa high rpm walang knocking, and madalas lang lumabas ang knock pag binebaby mo yung accelerator (tapik tapik)

[Retz]

Kaparehas niya yung tunog ng lumang taxi, ex corolla xl, lancer el. Pag paahon or kahit patag ang daan, pag napaaga ang shifting yung parang takatak na tunog. In the accents case, ganun din ang tunog but at a lower volume. So there is a good chance na hindi mapapansin ng driver unless you listen for it. Lumalabas yung sound usually at low rpms only, from 1,500-1,800 rpm. Sa high rpm walang knocking, and madalas lang lumabas ang knock pag binebaby mo yung accelerator (tapik tapik)

Baka mga OC lang ang nakakarinig nito. lol. Tingin ko, ordinary people or driver won't notice it or if they notice it, they won't bother to have it check.

[WalterBishop]

nasa timpla nga siya...

bro, you may say it that way...pero i can't live with this. imagine, kailangan ko pang gumamit ng mamahalin gas (v-power/blaze) at be always conscious about full/half clutch para lang panakip butas sa problemang low power na di ma solusiyunan ng HARI. bottom line, problem still exists and HARI should do something about it yesterday.

[rbc.cerulean]

Unit ko acquired april odo 8k matic. My ecm got replaced 1st week of january sa hyundai alabang so far so good laki ng difference ng power compared nung nag update sila sa ecm ko nawala nga ung knock intermittent low power naman.performance nya bumalik sa dati when I first got the car.unang apak pa lng ramdam ko kagad parang gumaan ung kotse sarap na ulit drive.fc nag improve din.no knocking hopefully wala na tlga.

[Retz]

Unit ko acquired april odo 8k matic. My ecm got replaced 1st week of january sa hyundai alabang so far so good laki ng difference ng power compared nung nag update sila sa ecm ko nawala nga ung knock intermittent low power naman.performance nya bumalik sa dati when I first got the car.unang apak pa lng ramdam ko kagad parang gumaan ung kotse sarap na ulit drive.fc nag improve din.no knocking hopefully wala na tlga.

swerte mo bro at na replaced na ECU mo. hopefully this will totally solved the knocking and low power issue.

[maxhedrum]

Ang weird nitong engine-knock na issue. I mean, ba't pag pinapalitan yung ECU eh nawawala pero babalik rin. Hindi kaya me fuel saving parameter itong ECU na continously na-uupdate until finally hindi na match sa fuel parameters ng Pilipinas?

Kawawa lang yung HARI dahil mukhang di sila tinuruan ng mga koreans kung paano i-adjust yung mga settings ng ECU. Or is it because of their lack of initiative to be trained in this area!?

Unit ko acquired april odo 8k matic. My ecm got replaced 1st week of january sa hyundai alabang so far so good laki ng difference ng power compared nung nag update sila sa ecm ko nawala nga ung knock intermittent low power naman.performance nya bumalik sa dati when I first got the car.unang apak pa lng ramdam ko kagad parang gumaan ung kotse sarap na ulit drive.fc nag improve din.no knocking hopefully wala na tlga.

[erj22]

i concur with sir maxhedrum. para sa akin, coded naman yan eh. di ko alam o nakikita pa ang ECU update o ano ang laman niyan pero ini-input din mga settings niyan at ise-save as a firmware.

[NighthawkGT]

looks like the ECU of the accent are self/auto learning and adjusting. So there's no use to revert the settings back to factory setting where after a while it learns again and goes back to its old ways. The only solution is that to find the root of the problem that is causing the ECU to learn that part of the parameters and produce engine knocks. The newer ECU's have a very complex algorithms for self adjusting and self learning. Its the only way for the car manufacturer to cater to a huge market. no more need of tuning, the ECU tunes the engine by itself from sensors. Take note, these engines are being designed in first world countries with first class fuel. The programmers of the ECU have this kind of fuel as a baseline. and tries to squeeze as much power from the small engine using engine timing, and ignition timing. if you have the perfect fuel then its perfect. too bad here in the philippines we have crappy fuel standards.

[s10pao]

The programmers of the ECU have this kind of fuel as a baseline. and tries to squeeze as much power from the small engine using engine timing, and ignition timing. if you have the perfect fuel then its perfect. too bad here in the philippines we have crappy fuel standards.

parang may mali ata dito. usually kasi ung worst case condition ung dapat baseline mo sa pag-design. kasi wala naman talagang perfect na fuel eh kahit nasa 1st world countries. so usually maglalagay ka ng tolerances sa design mo para ma-ensure na gagana sya on almost ALL conditions or practical scenarios.

for example, kung sinabi ko sa manual na 93 octane ang minimum na recommended fuel, dapat ang design nila may tolerance na hanggang -3 ng recommended (90~92 octane) maayos ung peformance ng car nila.

ngayon kung talagang "perfect fuel" ang baseline, dapat di na ni-release dito yang particular model ng accent na yan kasi alam naman ng HARI na hindi kagandahan ang fuel quality dito. naiintindihan ko rin na baka dun sa intention nila na ma-achieve ung best fuel economy, ung perfect fuel ang baseline nila, para ma-market na fuel efficient ung accent. pero again laging may compromise sa pag-design between best performance and actual performance. the least that they could have done is to test this model of accent for a period of time using our fuel and check if performance of their accent will not suffer due to the fuel quality.

may balita ba tayo kung sa ibang bansa na-encounter na rin itong knocking issue.

[bratski]

Unit ko acquired april odo 8k matic. My ecm got replaced 1st week of january sa hyundai alabang so far so good laki ng difference ng power compared nung nag update sila sa ecm ko nawala nga ung knock intermittent low power naman.performance nya bumalik sa dati when I first got the car.unang apak pa lng ramdam ko kagad parang gumaan ung kotse sarap na ulit drive.fc nag improve din.no knocking hopefully wala na tlga.

Ang swerte mo bro, papano ginawa mo at napapalitan mo yung ecu? Ilang months ka nag antay? Share your secrets naman

[mda]

If confirmed via different part number, then this could be the resolution to the accent's problem.

Kung same part number, either it's a reflash lang or babalik yung problema.

[CVT]

Hanggang ngayon ba, mayroon pa bang ganyang problema???...

Gising HARI!

14.6K:dj:

[rbc.cerulean]

Ang swerte mo bro, papano ginawa mo at napapalitan mo yung ecu? Ilang months ka nag antay? Share your secrets naman

Malapit lng kasi sa place of work at residence ko kaya lagi ko dinadala nung una puro update update lng nakakafrustrate binigyan ko ultimatum nung december pag nde pa rin naayos yan I'll sue them. Chineck ung auto ulit wholeday nasa kanila tinest drive nila ang findings may delay daw sa acceleration nagkusa naman sinabi p apalitan ecu kasi di na tinatanggap ung updates.ang promise sa kin january dadating replacement ecm at malabo na december due to the holidays. Tumupad naman 1st week of january ni replace ecm ko so far ok si accent no knocking no low power although pag cold start medyo maingay ung engine which I think normal naman pag reach nya optimum temp tahimik na ulit. Sana eto na nga ung permanent fix.nakaka dishearten ung mababasa about the accent dito pero pag ok sya looks wise performance sulit sya.decent fc. Sumasabay nga sa mga 1.8 ang engine.time will tell na lng ang durability nito.since ang dami na rin accent sa daan future is looking good with regards to spare parts.sana lang tumino tlga hari at mga dealer.

[TANO_2]

Malapit lng kasi sa place of work at residence ko kaya lagi ko dinadala nung una puro update update lng nakakafrustrate binigyan ko ultimatum nung december pag nde pa rin naayos yan I'll sue them. Chineck ung auto ulit wholeday nasa kanila tinest drive nila ang findings may delay daw sa acceleration nagkusa naman sinabi p apalitan ecu kasi di na tinatanggap ung updates.ang promise sa kin january dadating replacement ecm at malabo na december due to the holidays. Tumupad naman 1st week of january ni replace ecm ko so far ok si accent no knocking no low power although pag cold start medyo maingay ung engine which I think normal naman pag reach nya optimum temp tahimik na ulit. Sana eto na nga ung permanent fix.nakaka dishearten ung mababasa about the accent dito pero pag ok sya looks wise performance sulit sya.decent fc. Sumasabay nga sa mga 1.8 ang engine.time will tell na lng ang durability nito.since ang dami na rin accent sa daan future is looking good with regards to spare parts.sana lang tumino tlga hari at mga dealer.

Bro rbc.cerulean, ganyan din ang napapansin ko sa accent 1.4 AT ko na acquire namin last 11/10/11 at ang OD nya ay nasa 1.6K na. Maririnig mo talaga ang faint sa sound ng engine knock pag cold start, pero pag mainit na ang engine ( siguro pag nag circulate na ang engine oil nya) tahimik na ulit. Pero pag OC ka pipilitin mo talagang wala kang marining na engine knock (hehehe).

Meron kaming Mazda Power Van E2000 Gasoline. Simula ng bilhin namin nung 1997 pag cold start ang lakas ng engine knock (parang diesel engine ang tunog) nya pero nawawala din siya pag mainit na ang makina at hanggang ngayon eh ginagamit pa rin namin siya.
So sana ganun na lang ang mangyari sa Accent 1.4 AT ko faint engine knock at di siya mag low power.

[maxhedrum]

Di yan maglo-low power unless pa-update mo yung ECU . Since wala pang definite solution, avoid the update.

mangyari sa Accent 1.4 AT ko faint engine knock at di siya mag low power.