Trany trouble

Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's, Olds 98 91-96, Buick Lesabres and Park Avenue 91-96. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.
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40th aniversity
LE Member
Posts: 9
Joined: Thu Jan 26, 2017 4:11 pm
Year and Trim: 1997 Bonneville

Trany trouble

Post by 40th aniversity »

I did a quick search on code PO 740 and found what it was but no real place to start trouble shooting. I am hoping that someone can lead me in the right direction. Mind you now with my search I found low fluid to replace transmission. Thanks .
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