Originally Posted by pt0001
I recently had an oil change at my Chrysler dealer. They put Valvoline Synpower 5W-40 oil in the car and since then my engine has been shaking at idle. I took it back to them and they tell me the problem is not related to the oil. Could they right or are they just fooling around with me?
You could put 8 1/2 quarts of cooking oil in the thing and it would have nothing to do with shaking at idle. Sounds more like a bad tank of gas.
Good luck.