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Forced Induction All questions and problems regarding Superchargers, Turbos, NOS, ZEX, intercoolers, water injection, etc.

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Old 03-06-2008, 06:07 PM   #1
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Default Boost Needle Stuck

Hi everyone, I have a 2001 Bonneville SSEI and the boost needle stays at -1 and doesnt move at all except when I start the car and it jumps up and down like all the rest of the needles. I just bought this car a couple months ago and it has lil over 90,000 miles on it. It runs great until I get on the highway and cruise for a while, then when I go to slow down the car acts really crazy on me and hesitates when I go to take off again and I am not sure if it has something to do with this or not.
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Old 03-06-2008, 07:06 PM   #2
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Check the vacuum T fitting under the nose of the supercharger coming out of the end of the lower intake manifold (passenger side).
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Old 03-06-2008, 07:09 PM   #3
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I have checked it and followed all other lines but cant find a leak or loose hoses.

Would the BCS cause this problem?
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Old 03-06-2008, 08:58 PM   #4
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It could. Have you scanned the car for any codes, especially if you are having hesitation problems.
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