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  1. rubidell
    rubidell is offline Verified Tsikot Member
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    August 31st, 2010 10:19 AM #1
    mga masters,
    i mean to ask you a rather silly question because i have been planning to buy an eccs nissan for my next car. the question is, do EFI cars have A/F adjustment? may idle din ba? or wala na? maybe the cars computer will automatically adjust itself? forgive me of these questions because im totally new at this.. thanks for the relpies in advance... ingat po...
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  2. uls's Avatar
    uls
    uls is offline Tsikot Member Rank 4
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    August 31st, 2010 10:30 AM #2
    there's a screw where you can adjust idle
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  3. tip_tipid
    tip_tipid is offline Tsikoteer
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    August 31st, 2010 02:39 PM #3
    It is not recommended to make manual adjustments for EFI.
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    kurby
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    September 1st, 2010 09:58 PM #4
    There is a step by step process to adjust the idle of an eccs but there is no way you can adjust the air fuel mixture because the computer automatically adjust it.
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  5. rubidell
    rubidell is offline Verified Tsikot Member
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    September 6th, 2010 05:04 PM #5
    uy that answered my question... thanks a lot mga sir...
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  6. kurby's Avatar
    kurby
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    September 6th, 2010 10:30 PM #6
    Your welcome.
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  7. theshepherd
    theshepherd is offline Verified Tsikot Member
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    September 11th, 2010 09:14 AM #7
    Gurus, pasakay.
    Magkano po magpa on-board diagnostic using CONSULT? At san po meron?
    Idle problem po ng ECCS. Humihinga.
    Thanks.
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  8. kurby's Avatar
    kurby
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    September 11th, 2010 09:42 PM #8
    Usually Nissan dealers have this CONSULT. However, you may want to check your nearest Nissan dealer first if it is available. I asked Nissan Westgate before, Diagnostic fee is about 600 pesos.
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  9. oj88's Avatar
    oj88
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    September 11th, 2010 10:42 PM #9
    A/F is adjusted automatically by the ECM. The adjustment is realtime, and depends on measurements received from different sensors like MAF/MAP, O2 sensors, engine RPM, load, etc.

    Fuel quantity is adjusted by varying the on and off times of the fuel injectors.
    Last edited by oj88; September 11th, 2010 at 10:46 PM.
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A/F mixture and idle in EFI