Oxygen sensor went at 97,000 miles.
Oil Sending Unit went at 97,000 miles (or so I was told)
Bad oil filter fitting at 96,000 miles.
Bad connecting rod at 98,000 miles.
The oxygen sensor was no big deal; only about $150.
I was told that my oil sending unit was bad and that it did not need to be attended to immediately so I let it slide a while. It turned out that it was not the oil sending unit, but the oil pump. Thus causing the failure of a connecting rod. There was no indication of of a failed oil pump at all. But to get the vehicle running again will cost around $3000. That's going to put a good sized dent in the wallet.
Another thing was the oil filter fitting or the oil filter. I was driving along when my oil light came on then my oil pressure dropped to zero. I stopped the car and looked under the hood. I saw a stream of oil the size of my finger running out of the oil filter. The filter that was on there was the correct one. So I am led to believe that it was something with the fitting.
Overall I think this car is not worth the money. It's a wanna-be sports car made out of plastic. It seems that the whole car could fall apart at anytime. Even when I get in the car and close the door it feels like the door panel will come off in my hand. I think the 1st generation Eclipses were much better. They were built much stronger and much more durable; unlike the second generation that's made from plastic.
Man, you just got a bad car. Every car company has a couple cars that are flops. I have had mine since 95 and its just as perfect as the day that I purchased it. You just have to take care of your possessions. Sorry for the bad luck, but all Eclipses aren't like yours.
You Know I Had Almost Exactly The Same Problem With Two Engines Within Two Months And Am Now Looking At A Third. I Have Heard Of Many Similar Cases Since It Happened To Me Just Wanted To Let You Know You're not Alone!!!