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2006 Lincoln ls v8 @ 65,000 miles. Noise coming from exhaust and power seems to be stuttering at 50 mph or more. Is it poor gas or possibly need to run cleaner through?

Could be plugged converter.. is check engine light on?.. could be misfire under load. hard to say

Hello everyone, I have a 2000 lincoln towncar executive, recently i got rear ended by an infiniti i30 and there was light cosmetic damage(no dents) to the back bumper its a strong car and some muffler and underbody damage. After the accident as i drove the car home, it wouldn't accelerate past 40mph, the speed would slowly go down after hitting 40 and the engine would just rev up if i pressed the acceleration and it would only go back up if the speed hit 20mph, only to go back up to 40mph. My question is this, could this be due to the accident?? How would i go about proving it was due to accident? THe insurance company is only taking responsibility for the back damage and saying that this was not due to the accident. Can it be due to the accident? and what diagnosis tests would i have to ask for. Any help would be greatly appreciated.

First........... you have to determine what happened before you try to figure out why it happened.

ok....so how would i go about doing that? its my only car, i know its old, but it was running decent before the accident.

The only way you are going to find out is to get it to a transmission specialist so he can determine what is going on there.

After the accident as i drove the car home, it wouldn't accelerate past 40mph, the speed would slowly go down after hitting 40 and the engine would just rev up if i pressed the acceleration and it would only go back up if the speed hit 20mph, only to go back up to 40mph.
some muffler and underbody damage.



So your saying top speed is 40 mph? Did you make sure the exhaust pipe wasn't smashed or kinked shut?

I thought of that but this seems to point away from that.

the engine would just rev up if i pressed the acceleration

not sure how damaged the exhaust system is, could a rear ending cause the transmission to get damaged like that though?

Well, if they are replacing the muffler it must have gotten pretty screwed up in the accident. The transmission is in the middle of the car. Really the only way the transmission would get messed up in a rear end collosion is if the driveshaft got pushed up into it. The exhaust system runs around the transmission though, so it could have gotten into an electrical harness for the transmission. Only the person working on it knows what is going on here.

P.S. you don't have to make a bunch of one lined posts, you can edit and add additional information to one post. I don't need 40 emails.

when i was driving the car after the accident, it just felt like it wasn't going into 3rd gear, after second it was stuck, as far as i could tell, but not an expert in cars

to be very honest i have no idea, i do know the body shop from the insurance company are in the process of changing the muffler.