What can make my car vibrate and kill after running for a while when smashing the gas petal

Asked by May 16, 2014 at 11:36 PM about the 1989 Oldsmobile Ninety-Eight

Question type: Maintenance & Repair

2 Answers

60

Check your motor mounts, my car does the same thing without turning off. I've heard that if the mounts are really bad it can cause the car to shut off. If that's not the problem, I'd check your ignition coils, spark plugs, or spark plug wires. If any of these are bad it can cause your cylinders to misfire, which you will feel when driving. That's all I can help you with. If you get it fix please let me know because I'm stuck right now lol. Good luck!

675

Also it might be time to purchase a harmonic balancer if it's vibrating like that

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