2 posts · Joined 2023. #15 · Sep 23, 2023. KarstGeo said: The slower speed braking is a different issue and is likely the maneuver braking system that is part of the park pilot system if you have an SEL or above. Sometimes the parking sensors "see" things like the road/driveway etc. when on steeper grades. engine quits running suddenly while driving. Twice in the last 2 weeks I was driving my 96 RL - 113k mi. and all of a sudden the engine just dies driving between (30-50 mph) No apparent electrical problem as after 5 minutes and about 6 to 10 attempts to restart, it starts again and runs like nothing was or is wrong. Oxygen sensor malfunction: If the oxygen sensor is damaged, your car won’t know what air-fuel ratio is correct to power the engine. If this is the case, you won’t be able to accelerate. TPS malfunction: If your car’s throttle position sensor fails, it can result in your accelerator pedal being unable to control the engine’s speed. 6. Bad Throttle Body Restricting Optimum Airflow. A bad throttle body can also car your car to die out while driving due to its sticking throttle valve, leading to improper airflow. The throttle body of an engine regulates the amount of air to enter the engine’s cylinder based on the position of the accelerator pedal. It is possible for a car’s battery to die while driving. A dead battery, while the engine is running, indicates a problem with your car’s electrical system. You should heed the warning of the battery indicator light to move your car off the road to a safe stopping location. Soon after the battery dies, the engine will stop running. Hi, Yesterday I was driving on a 40 mph road. My car suddenly lost all power to accelerate, the steering wheel became very hard to turn and the brake wouldn’t work. I managed to turn on a side road and use the emergency brake to stop. I put on my hazards and shut the car off. After a couple minutes I started the car and drove around a neighborhood for ten minutes to see if it would happen Generally there are two things that will stop a running engine that can still start again. Fuel or ignition. Battery light would seem to point in the electrical direction, meaning ignition. But of course an electrical problem could effect your fuel pump. On a car that old I'd be looking carefully at chassis grounds and wiring. Oh, Welcome to Then turn on the emergency flashers and summon help. GM says it will contact owners of the recalled cars in April, advising them to use the ignition key alone, without any fob or key ring. Once GM wDLx.