How To Check The Engine Poor Power On Acceleration?

This Case is Different with some trouble that i encounter but is not new for me,i was encounter before.

How To Check The Engine No Power On Acceleration?

Model : Hyundai Sonata (NF)

Year Model: 2006

T/A :All

Fuel : Gasoline

Displacement: 2400cc

1) Condition:

1. Engine poor power on acceleration.
2. Engine hesitate on acceleration on idling and even on driving.

2) Cause :

1. Clogged Air filter.
2. Clogged Exhaust manifold.

3) Diagnosis:

1. Scan tool Check.
   = Trouble Found by GDS is Oxygen sensor.
2. Check the current data for oxygen sensor abnormal.
3. Check for the wiring connection from ECU = Good
4. Pull out Oxygen replace with good condition. at the same time check for exhaust manifold assembly = Found out that the catalytic converter is broken.

4) Repair Guides

1. Engine Tune Up.
   = Replace Spark plug.
   = Replace Air filter.
   = Replace fuel filter.
   = Chang oil engine.
2. Replace  assembly exhaust manifold.
3. Replace oxygen sensor.

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