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Oldsmobile Cutlass Supreme Questions

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I have Sunpro Code scanner GM 1982 & higher that I have used on my car for other things but now the check engine lite stays on. that would be the ecm?
idle fast speedometer not working and a/c not turning on. started working and started doing it again. can`t get codes from the dash.
years ago I took my car to Firestone in for service and they somehow messed up my power mirrors.I can only make it go up/down and to the left, but NOT to the right.I did took it back the next day, but THEY SAID they didn't do anything? What could it be wrong and how can it get fixed?
Already changed speed sensor don't know what else to do someone says to reset ecm
Plus the shifting first and second is not shifting when it suppose to
can not find exspansion valve on ac. Ac unit will not except any freon
Can i fix this issue myself?
I have a 95 oldsmobile supreme with 52k mile. It has a rebuilt transmission with only 7k miles on it. On a interstate drive home from school, the rpms dipped a couple times but with no real discernible effects. When almost home, I turned onto a side road going up a incline, and the car`s acceleration dropped to nearly non existent ( struggling up a small hill at 20 mph, momentum carried me most of it ) and it started shaking bad enough it felt like my front tires had gone totally flat. Almost home, I kept going, and when I let off the acceleration the problem stopped, then after a short period of normal acceleration, did the same thing. It continued bad enough the next day I had it towed instead.
My shop looked things over, it did the same thing to him, diagnosis was a likely transmission problem. Had it towed to trans shop ( under warranty ) and the problem had stopped by next day when he looked at it.
I fueled up on way home before it started.
Used fuel stabilizer after problems
My 97 Cutlass Supreme has recently begun having serious issues.

For the past month or so there has been a steady coolant leak. We have not had the money to bring it to the shop so we have kept it topped up. The coolant only leaks when the car is running.

Yesterday, the car stopped running, and because our gas gauge does not work well I thought we were out of gas. After refilling it the car would not stay running. It would turn over fairly easily at times but it would not idle comfortably - it would accelerate and decelerate on its own for 30 seconds or so until it stopped running on its own. It was at this time other the oil lamp light, and battery light came on.

We are trying to anticipate how much we will save for repairs. Does anyone have any idea what the problem(s) could be?

Thanks in advance.
last time I drove my car was about 3 weeks ago when it snowed .didin't drive it any more until 1 week later,and it wasn't starting.Put it on booster pack and lights gotten brighter,but made a knocking sound,but took of the booster pack and no sounds at all or lights.I'am thinking that the battery is drained,battery is less than a year old;6 months.thinking that it just needs to be charged. Am I right in this? I have a 1994 Olds cutlass Supreme S 3.1Lt
CAR SHUTS OF WHEN PUT IN GEAR,CHANGED MAP SENSOR IDLE AIR VALVE,CABLES AND SPARK PLUGS AND FUEL FILTER WHAT CAN I DO TO STOP IT FROM SHUTTING OFF
Hi,
Recently I hit what I believe to be a semi-truck tire on the highway at 65mph. It struck the drivers side of the vehicle and caused a few damages. One particular damage that I can't figure out is a hissing noise from what I found to be a vacuum leak. Above and further ahead from the driver side front tire there is a dangling vacuum hose that is connected to what is now a broken piece of plastic (See pictures: imgur(dot)com/a/7jFRR and imgur(dot)com/a/J53UB ) ( Put an actual dot "." when putting it in search browser, this website doesn't allow direct links). The drivability of the vehicle seems to be unaffected and the only thing that I can tell has changed is the sucking noise from the hole in whatever this part used to be before it was destroyed. So my questions are, what did this vacuum hose used to go to? What did this part do? Is it critical? Should it be fixed? How do I fix it?
Thank you!
every 5 years
My 94 Oldsmobile cutlass supreme I recently changed the fuel pump and filter and got a brand new battery put gas in it and it still won't start it turns over but still seems like it's not getting gas is there a relay switch or something else that I have to do
Shutting it off and turning it back on doesn't help. Put map sencer in and went about 20 miles and ran good. Shut it off to get gas, thinking that the problem was fixed. Started it back up and like to never got home. It's a 1989 Cutlass Supreme International. No option to choose for that
What seems to make the problem better or worse? Nothing
This happens when engine is wormed up.
What seems to make the problem better or worse? It happens when engine is wormed up.
How long have you had this problem? problem just started
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