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91 Coupe DeVille
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5 Posts
Discussion Starter #1
I have been on a search for a replacment for the fuel data center on my 91 cdv. About a month ago, it would begin cycling through the several options (mpg, range, fuel used, etc.) and the change oil soon light would blink on and off. I have been searching ebay...not sure if that is my best option. Just recently, the F31 fdc to bcm code started registering. Would this problem also affect the performance of the car? It just started feeling like it was being bogged down and was idling rough, as well as accelerating from about 30 to 40. Just wondering if im dealing with two separate problems or just one.

Again, thanks for this wonderful forum.
 

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'87 SDV
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1,296 Posts
Sounds like the mode selector switch on the FDC is gummy. If the car was owned by a smoker they get that way. Try squirting a little de-ox or other computer type contact cleaner in there. The code is likely because of the rapid switching. Should not affect performance.
 

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1993 Cadillac deville sedan 1986 cadillac deville RIP
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1,498 Posts
if you need a fuel data center try ebay ... if what noahsdad said did didnt work
 
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