2000 Hyundai Sonata, and I’m fairly sure it’s a 4 cylinder engine.
> I recently took my car to a mechanic in my area (2000 Hyundai
> Sonata), and got the ignition coil/spark plugs replaced, due
> to a shaking/shuddering while accelerating. After the work,
> the acceleration problems stopped, but a faint shaking I had
> continued. It has steadily gotten worse, and I've taken it
> back to the repair shop (STS) and been told that they can't
> find anything wrong with it. I'm tempted to take it to
> another mechanic, possibly at a dealership, and have it looked
> at again, but I'd like to get some insight as to whats wrong
> if possible. The shaking gets worse after the car has been
> running, usually after 5-10 minutes when the car has warmed
> up. It only really shakes when idle (at lights or stop
> signs), though I think I can feel it slightly when driving.
> Shifting from anything in gear to parked makes the shaking
> stop, or at least become a great deal less noticable.
> I am fairly clueless when it comes to cars, so if there
> is any other questions you can ask me to maybe narrow it down,
> feel free to do so. Thanks for your help!