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Home >> Kia >> 2023 >> Sorento X-Line EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Control System Diagnosis - 2.5L (VIN C) (5 Of 14) (Except HEV)) >> DTC P0304-00: Cylinder 4-Misfire Detected >> System Inspection >> Inspection Of Engine Pressure

Inspection Of Engine Pressure

WARNING: This page is about a different variant/trim than selected.
  1. Engine coolant temperature could be became between 80 and 95°C (176 to 203°F) after starting a engine and stop.
  2. Disconnect an injector extension connector and an ignition coil connector.
  3. Disconnect an ignition coil and an ignition plug.
  4. Install a pressure gauge to ignition plug hole.
  5. A throttle valve is full opened.
  6. Measure a pressure after cranking at least 20 times.

    Normal Value 

    Specification:  1274.86 kPa (13.0kgf/cm2 , 184.90 psi)/200 to 250 rpm

    Limitation:  1127.76 kPa (11.5kgf/cm2 , 163.57 psi)

    Deviation each one cylinder pressure:  98.07 kPa (1.0kgf/cm2 , 14.22 psi) or less

    Good 

    • Fault is intermittent caused by poor contact in the sensor's and/or PCM's connector or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF REPAIR " procedure.

    No Good 

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