WHEN ACCELERATING, THERE IS UNEVEN ACCELERATION OR LURCHING

  • Tiny
  • bdh@eastwardho.net
  • 2005 Hyundai Sonata
  • 6 CYL
  • FWD
  • automatic
  • 80 miles

My car is not accelerating smoothly, it is kind of lurching at times.

Sunday, January 23rd, 2011 AT 1:43 AM

1 Answer

  • Tiny
  • rasmataz
  • Member

Do you have a check engine light?

Could be one of the following below

Oxygen sensors.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
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 and keep testing

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Sunday, January 23rd, 2011 AT 2:12 AM

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