It blinks until I go down to 55 mph, and then if I don't shut the car off it goes off at random times after that. But it doesn't start till 65, stops at 55 sometimes, other times it randomly shuts off, and then keep driving and it does it again for a bit.
My car: 2008 Pontiac Grand Prix
Engine: 3800 Series III V6
Milage: 92,600
Problem:
Ok weird stuff is happening. When I drive around 62 - 65 mph on the interstate, my check engine light comes on and if I'm on cruise control disables it. It then randomly shuts off with no code. I already replaces...