first off i would like to say im a big fan of buying american products.its all ive ever had.im a pontiac fan always have been but this 2002 gp has been a nightmare.first my o2 sensor goes then my abs trac control cuts on ,thats still not fixed.now ive got this jerking the car is doin at different speeds.and i know at around 75000 miles my alt will go bc it always does on these cars.all this at 70000 miles from a car that has been well maintained.you cant beat the 3.8 but the rest of this car is crap!any one else having these same problems?