So my 1998 r34 25gt n/a started misfiring, the misfire will continue throughout the whole time the engine is on, it doesn't make a difference if it's cold or not. I tried the ecu pin test and got code 55 , 55 is a no malfunction code.. I'm wondering if anyone has had a similar experience with there car and how to fix it? Or where I could start? The cars clock is on 121xxx so i have been thinking it is the coils, but no error popped up on the ecu test. Thank you
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