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Home › Hyundai › 2017 › Sonata Plug-In Hybrid Limited › Repair and Diagnosis › Engine Performance › Ignition System › Ignition System (PHEV) › Repair Procedures › On-Vehicle Inspection › Ignition System

Ignition System

Condition Dark deposits White deposits
Inspection
  • Fuel mixture too rich
  • Low air intake
  • Fuel mixture too lean
  • Advanced ignition timing
  • Insufficient plug tightening torque
  1. Check the electrode gap (A).

    Standard value: 

    0.8 ~ 0.9mm (0.0315~0.0354 in)

    Fig 1: Checking Electrode Gap
    G11630753Courtesy of HYUNDAI MOTOR AMERICA
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