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Not building boost when accelerating

3396 Views 14 Replies 10 Participants Last post by  snguyen2688, 
snguyen2688
Help! I have a 16' at idle it reads vacuum fine but when I accelerate the boost gauge goes up to 0 and that's it. I don't hear any noises from the supercharger like others posted. Any ideas?
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DGatzby
Pulley. It is missing its dust cover. My pulley from two years ago. Failed, no boost. Same picture as yours. Seen this before.

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