This feels like its jumping in an out of overdrive when it get under a load or going up hill otherwise it shifts out fine
Try turning the overdive button off if the problem goes away then its proprob. a tcc solinoid or the converter itself i would have it ckd 4 codes 1st and have the trans fluid flushed and and shudderfix avail. and most parts stores
SOURCE: 2002 Ford F150 5.4L hard shifting
Have you ever changed the transmission fluid flush and replaced the transmission filter?
SOURCE: 2002 ford windstar..hesitates or stumbles under load like hill
did you have code cleared and also try fuel injector cleaner, as a clogged or dirty injector can show as a misfire,
SOURCE: my overdrive
the OD light flashing indicates that the transmission control module has observed a fault. Take the car to a local aftermarket parts place and get the codes pulled (typically free) this will send you in the right direction regarding a repair.
SOURCE: Transmission trouble on 2002 Ford E-450 Super Duty
Hi, this is a defective OD shift solenoid that is located inside the trans pan. you will have to drop this pan in order to extract it for replacement. this solenoid, if damaged, cant initiate the shift sequence required for the OD to engage during operational procedures.
Simply replacing this solenoid will fix this issue.
NOw, concerning the erratic shifts. this is isolated within the transmission control module. it seems to be malfunctioning. you will need to replace this module as well.
SOURCE: i have a 2002 ford taurus that loses power when
Replace fuel filter, spark plugs and definately plug wires. You should also make sure intake filter is clean and clear.
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