Line Pressure Diagnosis Chart

LINE PRESSURE DIAGNOSIS CHART

Test Results	Possible Source
High At Idle - In All Positions	Wiring Harnesses
	Run Quick Test. Refer to SELF-DIAGNOSTICS - EEC-V - CNG & GASOLINE .
	EPC Solenoid Main Regulator Valve
Low At Idle - In All Positions	Low Fluid Level
	Control Bodies
	Leakage in Pump
	Damaged Gaskets on Separator Valve Damaged Separator Plate
	Restricted Inlet Filter
	Case Bolts
	Loose Main Control Valve Body
	EPC Solenoid O-ring EPC Solenoid Bracket
	Case
	Sticking Main Regulator Valve Damaged Inlet Tube Seal on Inlet Filter
Low In Park Only	Valve Body Low/Reverse Servo
Low In Reverse Only	Separator Plate
	Low/Reverse Servo or Valve Bodies Reverse Clutch
Low In Neutral Only	Valve Body
Low In Overdrive Only	Forward Clutch Valve Body
Low In 1st Position Only	Forward Clutch
	Valve Body Low/Reverse Servo
Low In 2nd Only	Intermediate Clutch
	Valve Bodies Forward Clutch