2003 Pontiac Bonneville Questions

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There was a loud pop that came through my speakers and then nothing but static cannot change channels or turn it off and on have to turn it down to not hear it . It stays on constantly well not even play a CD
Won't crank security light on
What seems to make the problem better or worse? Don't matter
How long have you had this problem? Car has been sitting
I've had several people look at it. Not the oil, not a piston. Two people said could be a broke flywheel but my car still starts and drives. They also said the noise is not coming from the engine. The other two people said it's the motor and I'm out of a car. Any ideas what this could be?
I've had this problem for over a year now. sometimes car idle smoothly, others it chugs hard, almost stalls itself out/ battery fluctuates. When accelerating easy it runs normal. when accelerating heavy there is a loud chirping/ squeeking noise, then the engine shakes violently, and has very little power. Replaces MAF sensor/ air filter one year ago. Spark plugs/ fuel filter 2 years ago.
is a Pontiac Bonneville 2003 i bought the part i just need the old removed and new put in.
thought wheel sensor but checked with ohm meter and all seem to be working. Any ideas?
I have a 2003 Pontiac bonneville that started out shifting into 2&3 gear hard and over reving so I got some Lucus trans fluid that stoped slips and the next day I pulled up to a stop sighn and when I pushed the gas to go car wouldn't move in any gear. So I shut the car off and re started it and put it in drive and it worked fine but it keeps doing it now what do you think it is?
I replaced the crankshaft and camshaft sensor we have fuel going thru and spark fuel pump is good it turns over but just won't start it happened from one day to the next it was working fine.
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