I have a 1990 F-350 with 351W. Computer code hits the transmission spark control switch. The truck has the EO4d..It does shift hard and it seems to not shift down appropriatly on the free way....Any thoughts or help would be appreciated....
transmission spark control switch
Started by
daveinkirkland
, Apr 30 2010 06:10 AM
1 reply to this topic
#2
Posted 10 August 2010 - 12:20 AM
It must be jamed due to lack of fluid see that its supplied with sufficient quantity of fluid.Good Luck!!!
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