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Home >> Jeep >> 2007 >> Commander Limited, 5.7 2, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (3.7L Engine (Service Information)) >> Lubrication >> Diagnosis And Testing >> Checking Engine Oil Pressure

Checking Engine Oil Pressure

WARNING: This page is about a different variant/trim than selected.
Fig 1: Oil Pressure Sending Unit
GC0011816Courtesy of CHRYSLER LLC
  1. Remove oil pressure sending unit (2) and install gauge assembly C-3292.
  2. Run engine until thermostat opens.
  3. Oil Pressure:
    1. Curb Idle - 25 kPa (4 psi) minimum
    2. 3000 RPM - 170 - 758 kPa (25 - 110 psi)
  4. If oil pressure is 0 at idle, shut off engine. Check for a clogged oil pick-up screen or a pressure relief valve stuck open.
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