1995 Buick LeSabre dies while driving, idle, and starting. Everything has been...

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Nikole_05

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...replaced. Any ideas why? Everything on the car has been replaced. Engine rebuilt twice, the transmission, fuel pump, cleaned fuel injectors, ignition control module, it has a brand new battery, new spark plugs, it runs on synthetic oil, and has new oil/air filter. Its not the mass air sensor, we've tapped on that. It has a brand new key. The alternator is new. Another wheel has been replaced that caused the car to overheat, it was grinding into another wheel causing an overheating problem. When the car either dies, or attempts to die as I call it, the check oil level light comes on, however; the oil level is just fine. When it attempts to die, all the gauges drop and then go back up. I can feel the car losing power when it does this. We are practically out of ideas. Does anyone have any more ideas on how we can save this car? Thanks!!!
 
you didnt mension the gas filter, it can cause that too, if its dirty. throttle position sensor or a idle control sensor might be bad. also something else can cause that too, a dirty throttle body, get some throttle body cleaner and clean out the inside of the throttle body.
 
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