1990 Cadillac DeVille Q&A
1990 Cadillac DeVille Question: burning too much!
There could be any number of reasons your 1991 Cadillac DeVille is burning to much gas. Leaking or faulty fuel injector(s), leaking fuel pressure regulator, faulty O2 sensor to name a few, The first steps would be a complete inspection of the fuel system including a fuel pressure test. Also, checking engine control module for fault codes should be done. - Oakman
stalling, running rough upon stopping and preceeding, burning too much gas. Can anyone help???
Some people says its the radio or alternator ,have replaced radio did not help.Iput a small light bulb between the hot post and cable with battery unhooked the light burns bright,so i started pulli...