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E40D Lockup converter engagement at 5mph
Posted to HD/Fleet Forum on 7/18/2011 3 Replies

Strange diagnostic on this van. Only when warm upon a 0 mph full throttle start off at 7mph vehicle would lug-down and then take off again several times. Noticed if trans was in manual 1st and full throttled and manually up shifted would,nt. Scanner never show... Login to read more.

3 Replies Received (View Replies)

 

car Vehicle Data

1997 Ford E-350 Econoline 7.3L

Engine7.3 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1997 Ford E-350 Econoline 7.3L

Engine7.3 L
Trans4-speed Automatic (Electronic)