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Line Pressure Diagnosis Chart

LINE PRESSURE DIAGNOSIS CHART

Test Results Possible Source
HIGH at IDLE-ALL RANGES Wiring Harnesses
EPC Solenoid
Main Regulator Valve
LOW at IDLE -ALL RANGES Low Fluid Level
Fluid Inlet Filter/Seal
Main Control Body
Cross Leaks
Gaskets
Pump
Separator Plate
LOW in Park ONLY Valve Body
LOW in Reverse ONLY Separator Plate
Reverse Clutch
Valve Body
Forward Clutch
LOW in Neutral ONLY Valve Body
LOW in Overdrive ONLY Forward Clutch
Valve Body
LOW in Drive ONLY Forward Clutch
LOW in Manual 1st ONLY Forward Clutch
Valve Body