Help air fuel problems

mercredi 27 juillet 2016

So under normal idle i have an afr of 14 under load i have 13-15 at half throttle anything past half throttle is where problems begin it spikes to 20 and then cuts back to 13 and sputters wont let me accel until rpms come back down to 3k and afr goes back to normal am i running lean or rich and what can be causeing this are my coils not keeling up fuel delivery problem tune problem? Its all stock atm ive been debating doing a turbo but i want to get this problem under wraps first. Any ideas anyone?


Help air fuel problems

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