Help!!! Can't narrow down a random engine misfire on my evo!
#1
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Help!!! Can't narrow down a random engine misfire on my evo!
i just got a new heavily modified evo 9 and when i inspected it evreything thing was good except that sometimes when i turn it on it will idle up and down strangely to the point where it's about turn off and sometimes it does turn off at a full stop. i took it to get scaned and the code that came up was a multiple random engine misfire (po300). so i checked it again to see if it was a bad spark plug or anything else and it seemed fine. a buddy of mine was guessing that it's probably a bad sensor. does anyone have any idea of what it could possibly be?
#2
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The computer can also normally identify the specific cylinder in which the misfire has occurred. A misfire is nothing more than a lack of combustion, which can be caused by poor fuel quality or metering, low compression, lack of spark or unmetered air entering the engine. OR see a tuner he should be ables to reach your ecu
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