How to Check if Engine Jerking when Accelerating

How to Check if Engine Jerking when Accelerating = This is the one of simplest trouble but some technician didn’t know it.
Model: Hyundai Elantra(XD)
Year Model: 2004
Fuel: Gasoline
Displacement: 2000cc
Subject: Engine Jerking when Accelerating.
1) Condition

1. Engine jerking during driving sometimes.
2. More severe problem when quick accelerating the pedal.

2) Cause

1. Spark fire leaks from spark plug cable(engine side)
2. Cable crack and white color of the cable.

3) Diagnosis

1. Scan tool check
   =Diagnosis trouble code.
   a) P0300 – Random misfire detected.
   b) P0301 – Cylinder #1 misfire detected.
2. Change the material of the spark cable.
3. Extend the length of the cable guide

4) Repair Guides

1. Replace the spark plug cables.

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