Question about 2001 Kia Sephia
Vibrates very bad while at a red light and your foot is on the brake. its not a vibrate when you stop just when it idles and is in drive. any ideas? im hoping its the spark plugs and not the idle air control valve.
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Posted on Jan 02, 2017
SOURCE: Front end vibration
We're on our second Sedona and have had this problem on both. In our case it was the front brake rotors. The dealer told me that they're not made thick enough to handle heat loads. They are super-sensitive to heating and warp easily.
With my Sedonas the pads were not retracting completely, sometimes dragging on the rotors (not enough to notice this while driving) causing them to heat even when the brakes were not being applied and causing this front end shaking in the steering wheel when braking. When it got worse, the brake pedal would vibrate too. When we would take it up the mountains the long braking periods on the downslopes would make it much worse as the rotors heated up. The dealership had them machined but the issue persisted and ended up replacing the front rotors.
Replacing rotors is not a difficult task if you're mechanically-inclined and have the right tools. I've done it on many vehicles (though not my Sedonas as they were warranty jobs) and it's usually less expensive to replace them with new ones from your parts store than to have a brake shop work on them.
Hope this helps.
Posted on Dec 30, 2008
SOURCE: Kia Optima
Is the car flashing any codes. I would look for fuel issues possibly fuel filter, injectors etc. Because these items are easier to check. Otherwise it sounds as if the timing is off on the car. If the Hydraulic tensioner is not replaced this could cause the belt to jump teeth as well. PRETTY SURE YOUR TIMING IS STILL OFF
Posted on Jan 02, 2009
SOURCE: 2000 Kia Sephia
it is the catalytic converter my answwer is 100 percent sure the catalytic converter gets clogged and does all of those also i have 1 same thing trust me
Posted on Feb 11, 2009
Check your spark plug wires in the day check for tight connections and no damage at night (very dark) open hood and watch for arc over coming off the spark plug wires.
Posted on Jul 08, 2009
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