1991 Cadillac Fleetwood trouble codes

1991 CADILLAC FLEETWOOD
100,000 MILES • V8 • 2WD • AUTOMATIC
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1991 Cadillac Fleetwood V8 Front Wheel Drive. I know there is a way to get the codes off the dash but I am not sure which series of buttons to push could you please give me that info?
Oct 21, 2010 at 6:36 PM
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Turn the key on, press OFF and WARMER at the same time, Hold them until all segments of the fuel data center and ECCP light up. This indicates the beginning of the diagnostic readout.
Oct 21, 2010 at 6:38 PM