Q: Q: Battery or Alternator

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The other day I was driving home the car hesitated, would not accelerate and almost all the lights on the dash lit up. I tried to jump start it but it would idle for about three minutes engine would race on it's own and then shut off. I had to have it towed. The negative cable was loose and I replaced it the next day. Jumped the car it did the same thing. Ran for about 10 minutes, raced once and shut off. I did notice some liquid come out of the tailpipe when it shut off. What do you think this is. I had a new block put in last year. I was told it needs oxygen sensors. could this be the problem?

My car has 148000 miles.
My car has an automatic transmission.

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