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2003 Hyundai Sonata Hesitating

Tiny
CRYSTAL_DUNN
  • MEMBER
  • 2003 HYUNDAI SONATA
Engine Performance problem
2003 Hyundai Sonata 4 cyl Two Wheel Drive Automatic

My Sonata has started hesitating and I was just wondering what could be causing this and what do I need to do to get it to quit. I am a single mom on a budget, so the cheaper the cost of repair the better. Thank you.
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Thursday, July 8th, 2010 AT 2:02 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Possibilities: Inspect and test all the following listed below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft 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
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Thursday, July 8th, 2010 AT 2:53 PM

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