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Hyundai elantra 2003. intermittently while driving (more at higher speeds) best i can describe sound is a whining and jingling. if i slow down it usually stops, but eventually comes back. Any ideas?
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This could be the brake pads dragging or it could be a wheel bearing. You can check one or the other. The wheel bearing is tested by jacking up the car with that wheel off the ground and see if you can rock the wheel side to side or up and down. The way to check the brakes is to take the wheel off and look at the brake pads.
If the power steering pump were going bad you'd get a whining noise when turning at slow speeds. You'll also find it hard to turn the wheel. A slipping belt will give you the same indications. Now if the lock pin is engaging the lock plate while you're in motion that would indicate a loose pin.
Most definately your tire. Out of round and or balance or tire defects cannot usually be detected visually. I would take it to a reputable tire store for inspection. Could be a bent or warped rim if you have run over a curb or through a big pothole, etc. They should be able to tell you if one or the other is defective.
This can be caused by a faulty MAF (mass air flow) sensor or TPS (throttle position sensor). If one of this sensor is faulty the engine tends to speed up, slow down or have an erratic idle. Have it checked and replace if necessary.
Hope this helps and thank you for using FixYa! Have a good one!
According to the Hyundai service website, "If there is an open or short circuit in the vehicle speed sensor signal
circuit, the engine may stall when the vehicle is decelerated to a stop." This sounds like what you're describing, so you should check out the detailed troubleshooting info for the VSS at www.hmaservice.com, available free with registration.
The transmission does have a separate computer (TCM), it's a $700 plus item from the dealer, but if necessary you can get one for much less from a salvage yard. The same goes for the ECM.
At first blush, sounds like the knock sensor making the car misfire. Other possibilities are:
fouled spark plug; might not notice it at idle but would misfire at higher speeds; check the plugs as well as the valve cover gasket for oil seepage
if you've noticed a sulphur smelling exhaust or excessive heat from the exhaust, it could be the catalytic converter (more likely if there is high mileage on the car). Another symptom would be very bad performance and poor gas mileage.
Had same problem: cutting out at low rpm, jerking, a huge clunk or shudder at higher speed (like transmission was going out), and rough idle. All these symptoms were intermittent.
CHECK THE FUEL FILTER!! Changed the fuel filter and thing runs fine!!
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