Acceleration

Tiny
MEME777
  • MEMBER
  • 2002 HYUNDAI SANTA FE
  • 4WD
  • AUTOMATIC
I have a 2002 automatic Hyundai SantaFe. When I'm driving it slips and****** when I accelerate and doesn't want to accelerate. Also, the needle on the speedometer flies all over the place and it makes a load roaring noise sometimes when I try to accelerate. What's wrong?
Tuesday, June 7th, 2011 AT 4:00 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be the transmission slipping or one of the following below

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard it and keep testing.
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Tuesday, June 7th, 2011 AT 7:15 PM

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