1996 Oldsmobile 88 Questions

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My car has many issues. I'll try to put them in the order they began (more or less). It's possible it's caused by more than one thing. We've replaced the idle air control valve, the maf, spark plugs and wires, throttle position sensor, exhaust, air filter, alternator and battery within recent years/months. Doesn't matter what temp it is outside, although it seems worse when it rains or is windy.

1) Car lags/jerks during acceleration and sometimes while at a fairly consistent speed, usually between 60-70. Can happen at nearly any speed though. This has happened for 4+ years now; basically the whole time I've owned the car.

2) Code often says transmission component issue, yet if I manually shift everything is smooth and I have no problems shifting to park or reverse either. This has also displayed for several years.

3) Car has somewhat recently decided it doesn't like making multiple stops (within past 6 months primarily). I'll drive to a few stores and find that, after a couple stops, my car doesn't want to start. It turns over and sometimes catches, but then sputters out. When this happens, even when it manages to catch and hold, it will sometimes die or lurch/lag badly when I push on the gas to go forward. It has misfired during this time as well a few times, and the check engine light has blinked. This will also sometimes happen if I idle for longer periods of time. I will put it in drive and then when I push the gas, it will sputter and lurch or die out.

As you can see, we've replaced quite a few of the usual suspects. With 240,000 miles, I'm don't want to keep throwing in parts without more certainty. Thank you!
some times after driving and car sets for A wile it will turn over but will not fire until it sets fore an hour or so then starts right up
Where would be my first place to check to see what is going on?
Front turn single will light up but stays solid and rear blinker an brake light do not work but the running lights come on
After the car is driven about 4 miles...the abs light and low oil light are more intermittent than the battery discharge light is..there is no dimming of headlights or anything when the battery light comes on..bad cluster?? Faulty ecm??? I've had the alt and battery checked. .all at perfect numbers
Car has not started again. It will crank but sounds like it is not getting any fire. Fuel pump is good fuel gets to the engine. Battery, alternator, and starter is good. What could be the problem.
today I was driving to work and passed someone while pressing heavily on the gas. I looked in mirror as I passed the person and saw white smoke rolling out of exhaust. About 45 seconds of smoke and it went away. Shortly after I was at my stop and went to pull in and noticed my battery light on and the steering got very tight. I parked and got on bus. What the heck happened?
Tried jumping it,put in new battery,checked battery cables and still just clicks when trying to start.
How do I get the information about what key (risistor) originally went with my car?
My 1996 Olds 88 suddenly died after running in high idle for at least 25 minutes--in 16 below zero weather. I have already checked the antifreeze but no problems there. The car has low real mileage but is obviously almost 20 years old. So far this had happened only once. How can this be fixed?
I can usually wait a few min then it will start & run fine - NO CODES. Just had the Crank sensor & ignition modules replaced.
It just started a few days ago my heater hasn't worked for a year or two and know all of a sudden this it's only on the drivers side.
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