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Thread: Bigport 4age into ae71 running rich

  1. #1
    Junior Member
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    Apr 2015
    Name
    Bobby
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    Thumbs down Bigport 4age into ae71 running rich

    Hey peepz..

    i have an ae71 that ive done a bigport 4age conversion into and its running super rich, and whateven is fuel economy lol??

    The engine itself is completely standard and am running 2-1/4 extractors and full exhaust with hi-flow cat and a rear muffler box, standard fuel reg with a vl external pump off a 1litre surge tank in the boot thats filled with a facet style low volume/low psi lift pump.. the vl pump flows @130lph which im told is the approx factory flow rate for the ae82 it came out of? Clarification on this would be good if possible also.

    fuel economy is f@&king shithouse also which i assume is related to how rich its running..

    any ideas on how to rectify this whole situation without spending mega bux would be greatly appreciated..

    i have considered it could be the o2 sensor or something to do with the ecu?? like i said any other ideas and input would be greatly appreciated.

    thanks

  2. #2
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    Nov 2012
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    Tony
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    Australia
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    Default

    High fuel pressure will cause it to run rich or faulty map sensor or 02 sensor

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