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2002 Hyundai Sonata skipping

Tiny
DONNERDUN
  • MEMBER
  • 2002 HYUNDAI SONATA
Engine Mechanical problem
2002 Hyundai Sonata 6 cyl Two Wheel Drive Automatic 106, oo miles

my car started skipping today and I checked wires and plugs and still can't seem to find the problem.
Friday, September 11th, 2009 AT 9:13 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Dirty fuel injectors (cleaning the injectors often fixes this).
Bad MAP (manifold absolute pressure) sensor
Bad TPS (throttle position) sensor
Bad or dirty MAF (mass airflow) sensor
Low fuel pressure (leaky fuel pressure regulator or weak fuel pump)
Vacuum leaks (intake manifold, vacuum hoses, throttle body, EGR valve)
Bad gasoline (fuel contaminated with water or too much alcohol)

Sometimes, what feels like a hesitation is actually ignition misfire rather than lean misfire. The causes of ignition misfire may include:

Dirty or worn spark plugs
Bad plug wires
Weak ignition coil
Wet plug wires
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Saturday, September 12th, 2009 AT 1:31 AM

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