Mechanics

CADILLAC BROUGHAM ENGINE PROBLEM

1989 Cadillac Brougham • 119,000 miles

How do I replace the check engine light in a cadillac fleetwood brougham?Or turn it off?
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Jaybold
February 25, 2013.



Obviously it's working so you don't replace it. The Engine Computer detected a problem, set a diagnostic fault code, and turned the light on to tell you. The place to start is by having the code(s) read. That will indicate the circuit or system that needs further diagnosis.

http://www.2carpros.com/articles/buick-cadillac-chevy-gmc-oldsmobile-pontiac-gm-1983-1995-obd1-code-definitions-and-retrieval-method

Caradiodoc
Feb 26, 2013.