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check ALL connections-oil connections, belts, belt tension, etc.. tighten as needed and look for anything that could possibley obsturct the intake charge. also the guage may have a bad connection where you receive boost but it doesn't shw up on the guage

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Q: Why would a 1992 Supercharged SSEi Pontiac Bonneville not have any boost most of the time but sometimes show boost and run OK?
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How can you tell if your 93 Pontiac Bonneville is supercharged or not?

1. There will be a supercharger sitting on top of the engine...it's hard to miss because the supercharger will be the first thing you see in the middle under the hood it sits on top of the engine or 2. Check the VIN Supercharged models start with the number 1 Non-Supercharged models start with the letter L or 3. Check the emblems on the car SSEi models are always supercharged SSE models will have Supercharged emblems on the front doors (if you don't have them then its not supercharged not all SSEs are) SE models are never supercharged or lastly 4. Check the dashboard gauges Supercharged models will have a "boost" guage on the far right of the instrument cluster....that guage monitors the air pressure in the supercharger Non supercharged models will have a voltometer which measures the battery's output or if you don't have either well then its a base model with pretty much nothing so it obviously wont have one


Your brother owns a 2004 Pontiac vibe wants to know if is safe to boost your 1990 Bonneville?

Yes, to a certain degree. Actually the SSEi trim level comes stock with a supercharger.


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Will an alternator from a 1990 Buick riveria 3.8 liter engine work on 1992 Pontiac Bonneville 3.8 engine?

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Why is the supercharger's boost gauge on your 2001 Bonneville SSE reading negative ten psi instead of 0 psi when the car is on?

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