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1990 Cadillac DeVille Question: burning too much!



sunrise, Flushing, NY, March 24, 2010, 20:46

why is my engine burning too much gas?

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  • Answer #1

    March 25, 2010, 12:22

    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.

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