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Low In "2nd"

Intermediate servo, overdrive servo or forward clutch.

LINE PRESSURE SPECIFICATIONS (PSI)

Selector Position @ Idle RPM @ WOT Stall RPM
Ford
Aerostar 3.0L (4R44E)
"P" & "N" 79-93 N/A
"R" 79-136 291-331
"D", "2" & "1" 69-79 193-227
Aerostar, Explorer & Ranger 4.0L (4R55E)
"P" & "N" 90-103 N/A
"R" 95-162 299-346
"D", "2" & "1" 87-98 207-241
Ranger 2.3L (4R44E)
"P" & "N" 79-93 N/A
"R" 79-136 291-331
"D", "2" & "1" 69-79 193-227
Ranger 3.0L (4R44E)
"P" & "N" 85-103 N/A
"R" 107-162 237-283
"D", "2" & "1" 98-111 164-190
Mazda
2.3L (4R44E)
"P" & "N" 79-93 N/A
"R" 79-136 291-331
"D", "2" & "1" 69-79 193-227
3.0L (4R44E)
"P" & "N" 85-103 N/A
"R" 107-162 237-283
"D", "2" & "1" 98-111 164-190
4.0L (4R55E)
"P" & "N" 90-103 N/A
"R" 95-162 299-346
"D", "2" & "1" 87-98 207-241
Fig 1: Identifying Line Pressure Test Port
G96B04206Courtesy of FORD MOTOR CO.