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Intermittent low power on 04 Vision AC400


ron44094
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I have an 04 Vision with an AC400 and sometimes it has low or no power. I notice that sometimes the intake manifold pressure gauge is close the zero but when the engine is running well it is around 30 to 35. Also, my lighting bolt engine light comes on for a short time as well. Any ideas? Thanks!

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Does the low power happen at any certin time ie pulling hills accelerating? Or is it totally random? If your boost gauge goes to almost zero the problim is mostly in the intake system. But with it beeing not constalt low power its not a blowed/broke boot i would start at your waste gate on the turbo sence i beleave thats the only place to just randomally loose boost pressure. What do you have to do to get power back? Or does it fix its self?

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