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Home >> Hyundai >> 2016 >> Sonata Plug-In Hybrid Limited >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> 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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