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Gen 2 Busa Will Not Start From Cold


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#1 Painter man

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Posted 09 July 2022 - 09:10 AM

Hi everyone I need help I have a 2015 zcar kit fitted with a 2012 gen 2 busa it has developed a fault it will not start very easy from cold it used two fire up into life and fast idle around 2000rpm as it should but now it keeps cutting out until warm and then starts and idles fine has anybody had the same thanks craig

#2 sonscar

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Posted 09 July 2022 - 10:25 AM

Still fuel injected?I have no knowledge at all of this motor,but reluctance to start from cold would point me towards the temp sensor or its wiring.Steve..

#3 Painter man

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Posted 10 July 2022 - 06:49 PM

Hi Steve did you used to work at Zcars I have tested the temp sender it’s tests out all good I think it may be the idle air control stepper motor I have a friend popping round with his Suzuki software to check




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