2004 Hyundai Sonata Only hits 3000 RPM's

Tiny
DANIEL.BROWN
  • MEMBER
  • 2004 HYUNDAI SONATA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 96,500 MILES
My Sonata only hits 3000 RPM's which is roughly 20-22MPH, not sure what the problem is, just happened this morning. I had to get a ride to work and would like to have some kind of idea as to what the problem may be so I know what I need to do when I get home.
Wednesday, May 26th, 2010 AT 12:44 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Lack of acceleration, chugging, hesitating, bogging etc. Could be caused by one of the following below.

Inspect and test all the following listed below:

Oxygen sensor.
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.
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Saturday, May 29th, 2010 AT 1:50 AM

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