Just noticed it today. i got the car almost a year now been takin care of it changin the oil frequently also using antifriction supplements like bardall and lucas when i can afford it. no lights are on and i put new plugs and wires on a few months ago. i replaced the left driveshaft a few days ago because it was shakin when i accelerated. but now this is the new problem. the car was taken care of the last 20 years because i have all the service records on it. i was impressed. i plan on keeping this car so id like to get a diagnosis on it.