1997 Cadillac DeVille Q&A
1997 Cadillac DeVille Question: why doesn't electronic gas gauge work? How & how much to repair it?
Most likely the sending unit in the gas tank. - ProfessorG
HAVE SOMEONE WITH A TECH 2 SCANNER DO A GAUGE SWEEP TEST TO MAKE SURE THE GAUGE IS GOOD FIRST THEN SUSPECT FUEL SENDING UNIT OR WIRING - globalhelper