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Home >> Hyundai >> 2007 >> Sonata GLS, Automatic >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System (Engine Electrical System) >> On-Vehicle Inspection >> Spark Test

Spark Test

  1. Remove the ignition coil connector (A).
    Fig 1: Identifying Ignition Coil Connector
    G04890707Courtesy of HYUNDAI MOTOR CO.
    Fig 2: Identifying Ignition Coil
    G04879418Courtesy of HYUNDAI MOTOR CO.
  2. Remove the ignition coil (B).
  3. Using a spark plug socket, remove the spark plug.
  4. Install the spark plug to the ignition coil.
  5. Ground the spark plug to the engine.
    Fig 3: Identifying Spark Plug
    G04879710Courtesy of HYUNDAI MOTOR CO.
  6. Check if spark occurs while engine is being cranked.
    NOTE: To prevent fuel being injected from injectors while the engine is being cranked, remove the fuel pump (A) relay from the fuse box.

    Crank the engine for no more than 5~10 seconds.

    Fig 4: Identifying Fuel Pump Relay Position
    G04890710Courtesy of HYUNDAI MOTOR CO.
  7. Inspect all the spark plugs.
  8. Using a spark plug socket, install the spark plug.
  9. Install the ignition coil.
  10. Reconnect the ignition coil connector.
Fig 5: Flow Chart
G04879712Courtesy of HYUNDAI MOTOR CO.
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