Because Overdrive forces the Engine to Lose Revs. Basically your engine won't Rev as high, as fast. Thats all.
A malfunction has been detected
try changing the spark plugs
a malfunction has been detected
Should be a push in, at the end of the shifter arm.
That indicates that a malfunction has been detected
If it's the same as the 1999 Ford Crown Victoria " civilian " version : The O/D OFF ( Overdrive Off ) light is above and just to the right of the speedometer
It's on the Gauge Cluster, Green Light With OD in the middle.
no
On a 1998 Ford Crown Victoria : Overdrive is the normally allowed position , although the transmission will not shift into overdrive until the speed is higher If the overdrive is switched off , on the gauge cluster just to the right / and above the speedometer you will see the O/D OFF warning light ( if you have the digital dash it will show overdrive off in the upper right )
Yes
Yes
FUseable link or corrisio on the wires