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  1. Join Date
    Feb 2011
    Posts
    20
    #1
    i would like to know if Reflashing the Optra's ECU could really improve the Fuel consumption of the Car or it is just a Myth???

  2. Join Date
    Feb 2011
    Posts
    20
    #2
    reply po anyone??

  3. Join Date
    Oct 2002
    Posts
    29,354
    #3
    Yes it is real. The reason behind it is the original program of the Optra's ECU was not optimized for the engine/fuel resulting in its fuel guzzling behavior. After flashing, fuel consumption should be par with cars with similar engine displacement.

  4. Join Date
    Feb 2011
    Posts
    20
    #4
    I asked this cause the other month pumunta ako sa isang GM casa (di ko muna sasabihin kung saan) para mag pa reprogram and im willing to pay naman 1,500 then nung sinabi ko un sa isa nilang agent tumawa lang siya then said di naman daw talaga effective ang pag rereprogram ng ECU so thats why im confused.

  5. Join Date
    Mar 2009
    Posts
    100
    #5
    Quote Originally Posted by grahamtelly View Post
    I asked this cause the other month pumunta ako sa isang GM casa (di ko muna sasabihin kung saan) para mag pa reprogram and im willing to pay naman 1,500 then nung sinabi ko un sa isa nilang agent tumawa lang siya then said di naman daw talaga effective ang pag rereprogram ng ECU so thats why im confused.
    yes, sayang lang 1,500 mo sa reprogram.

    the best way to have an efficient fuel consumption sa optra mo is have your unit in its perfect shape.

    my optra before consumes at 6kms/L city driving... now, consuming 8.5-9.2kms/L city driving 2004 model.

  6. Join Date
    Sep 2007
    Posts
    1,456
    #6
    try mo na lang bro.If it could help, why not di ba?

  7. Join Date
    Jun 2008
    Posts
    1,105
    #7
    Quote Originally Posted by grahamtelly View Post
    i would like to know if Reflashing the Optra's ECU could really improve the Fuel consumption of the Car or it is just a Myth???
    Re flashing or reprogramming will help there are different version of ECU programs that can help you with you FC.

    For example my triton truck i got it with a old version 3.0 malakas ang HP and torque but then again malakas din sa deisel i run about 7Km per liter. Then after a year nag labas nag mitsu thailand nag version 4.0 nag pa upgrade ako nag software it runs 10km per liter but medyo mahina ang top speed ko is only 130Kph. Now im using Version 5.0 i have the same HP nag 3.0 and my FC is 8Km per liter top speed is 150Kph.

    If re programming or re flashing is available why not try the diffrent version so that you can test and see kung ano ang maganda just make sure na pinapalitan nga nila ang software mo and you get whats your moneys worth.

  8. Join Date
    Feb 2011
    Posts
    20
    #8
    thanks sa mga reply mga bro! Balak ko pa reprogram na kaso how would i know kung talagang nireprogram diba? Chaka disturbing lang ung mismong agent nila ang nag discourage sakin na wag magpa reprogram.

  9. Join Date
    Jun 2008
    Posts
    1,105
    #9
    Quote Originally Posted by grahamtelly View Post
    thanks sa mga reply mga bro! Balak ko pa reprogram na kaso how would i know kung talagang nireprogram diba? Chaka disturbing lang ung mismong agent nila ang nag discourage sakin na wag magpa reprogram.
    Baka pwede ma mag watch sa kanila while they are re programming your ECU kasi ganon ang ginagawa ko na nonood ako sa kanila while doing it sabay tanong nadin nga maka naka lagay na information.

  10. Join Date
    Feb 2011
    Posts
    20
    #10
    Mission Accomplished! thanks guys! now time to compute for the consumption

  11. Join Date
    Dec 2010
    Posts
    11
    #11
    Quote Originally Posted by grahamtelly View Post
    Mission Accomplished! thanks guys! now time to compute for the consumption
    Good day Sir! Ganun din ang na-experience ko nung dinala ko sa casa yung optra ko. Ang sabi sa akin nung agent, wala naman daw effect yung ECU reprogramming. Anyway, ano na pala sir ang effect sa optra mo? If ever, san ka pala sir nagpa-reprogram. Thanks!

  12. Join Date
    Feb 2011
    Posts
    20
    #12
    sa Chevy Qave bro, gumanda na ung takbo ung tipong pag tanggal mo ng apak sa gas baba agad to 800rpm ung idling before kasi pag tanggal mo ng apak as is sya kung san ung rpm mo meaning mataas. nag papalit narin ako ng Spark plug pero ung stock lang and pinalitan ung gasket kasi me leak na kaya me konteng langis na pumasok sa spark plug kaya panget ung sunog ng gasulina. estimate ko ngayon city driving is 9km per liter while 10-11km per liter pag no AC.

    sang casa ka nagtanung nung sayo?

  13. Join Date
    Dec 2010
    Posts
    11
    #13
    Quote Originally Posted by grahamtelly View Post
    sa Chevy Qave bro, gumanda na ung takbo ung tipong pag tanggal mo ng apak sa gas baba agad to 800rpm ung idling before kasi pag tanggal mo ng apak as is sya kung san ung rpm mo meaning mataas. nag papalit narin ako ng Spark plug pero ung stock lang and pinalitan ung gasket kasi me leak na kaya me konteng langis na pumasok sa spark plug kaya panget ung sunog ng gasulina. estimate ko ngayon city driving is 9km per liter while 10-11km per liter pag no AC.

    sang casa ka nagtanung nung sayo?
    Good day Sir! Doon din ako nagtanong. Ibalik ko na lang siguro doon. Sino pala kausap mo doon Sir? At saka magkano rin Sir ang inabot mo? Thanks a lot!

  14. Join Date
    Feb 2011
    Posts
    20
    #14
    look for Santi. 1,500 ang singil, pa carb clean mo narin bro. Sino nakausap mo nung una? Si jon jon? Ung maliit na mataba?

  15. Join Date
    Dec 2010
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    11
    #15
    Quote Originally Posted by grahamtelly View Post
    look for Santi. 1,500 ang singil, pa carb clean mo narin bro. Sino nakausap mo nung una? Si jon jon? Ung maliit na mataba?
    Hindi ko na po sir maalala kung sino yung nakausap ko. hindi naman sya maliit. anyway, cge sir, hanapin ko na lang si santi. kasama na ba sa 1,500 ang pa-carb clean? at saka may contact number ka ba sir ni santi? thanks a lot!

  16. Join Date
    Feb 2011
    Posts
    20
    #16
    any update bro?

  17. Join Date
    Dec 2010
    Posts
    11
    #17
    Quote Originally Posted by grahamtelly View Post
    any update bro?
    I haven't gone to the casa yet. I'll update you sir once I'm finished. Still busy with my work. Ehehe. By the way, kasama na ba yung carb clean sir dun sa P1,500?

  18. Join Date
    Feb 2011
    Posts
    20
    #18
    ang alam ko kasama na

  19. Join Date
    Dec 2010
    Posts
    11
    #19
    Just had my Optra 04 reprogrammed last Saturday. Also had the throttle body cleaned since the mechanics in casa told that it already needs cleaning. Initially, the car's performance improved. However, I still could not tell if gasoline consumption lessened since my wife drives the car. I'll just update you once I get the figures. Thanks a lot!

  20. Join Date
    Feb 2011
    Posts
    20
    #20
    gudluck sa result pre. I sugest you use petron xcs not the regular unleaded gas.

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Optra ECU Reflash??