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Old 04-26-2006, 03:20 AM
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hey wassup guys i just bought a 1995 buick riviera on sat wit 120,340 on the dash run greats and everything and it has the same series 1 supercharged motor as the bonneville ssei my question is when i stay at a red light to long it just cuts off and i have to start it back up has anyone heard of that i mean the check engine light isnt on and the plugs and wires seem to be new i need help someone reach out i have no idea where to start :(
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Old 04-26-2006, 08:47 AM
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Cookey..
Car stalls w/o any warning? Does it idle funny in park? Any noises from it?

I'd say start off with the freebies. Check all battery connections at both ends, look for corrosion of any sort and any wiring that might be bad.

Then move your search up to the coils and ICM, any cracks or burnt posts.

From there a tune up may be in order... pull some plugs and see how they look at the least.

Since you just bought the car, the throttle body could use a good cleaning. Pull it off, remove and clean all sensors and the throttle body itself.

Let us know once you have completed these steps and if you've had any luck or discoveries.
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Old 04-26-2006, 09:37 AM
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Cookseytonyc -- This section is reserved for 92-99 Bonneville mechanical issues.

Moved to Other 3800-powered cars.
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Old 04-26-2006, 09:38 AM
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Most of that information Bill mentioned is in Techinfo. Including checking coils and cleaning throttle bodies.
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Old 04-29-2006, 02:31 PM
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Well i had a vaccum leak that i found and sealed and i just cleaned the throttle body real good i noticed that it doesnt cut off without warning that rpm goes down below 1 and itz like it doesnt get proper gas and cuts off but i think the person that had it didnt use premium gas cause he told me he didnt so i think now it should be staright i dont know but i tried to use my heat and my blowers dont blow nuthin and my ext temp is 196 i know sumthin is wrong here
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Old 04-29-2006, 02:42 PM
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I am guessing it is a sensor like the TPS or MAF or something, i'd clean all those sensors up.


make sure the coil packs are good too...how is the performance at WOT? does it miss or do anything weird or have good power?
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Old 04-29-2006, 11:55 PM
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it has good power and acceleration so i dont think itz a tune up or the coil plugs or wires
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