2004 Ford Ranger Q&A

2004 Ford Ranger Question: when i drive my truck sometimes doesnt shift or late to shift

after a long drive the O.D overdrive is blinking,i replace transmission range and transmission filter too,but still the problem come out after a long drive,is there other sensor that need to replace? what is shift solenoid? -
Answer 1
possibly low fluid -
Comment 1
thank you,how many quarts then of transmission oil should i put on my transmission '04 ford ranger 2.3 2x2 automatic trransmission,if too much oil whats the side effect too? -