BK99caddy Posted June 3, 2010 Report Share Posted June 3, 2010 my check engine light recently came on in my 99 deville. I just bought this about a month ago it has 99,000 miles and seemed to be a great car. It started feeling a bit "jumpy" when id be stopped at a light or drive through, yesterday i was pulling up to a stop light and all of a sudden it felt like the engine was losing power, all the indicator lights on the dash light up and the steering stiffened...can someone please tell me whats going on? also i have noticed a slight knock occasionaly when accelerating. Link to comment Share on other sites More sharing options...
Bruce Nunnally Posted June 3, 2010 Report Share Posted June 3, 2010 Your Cadillac has onboard diagnostics that can tell us more about what is happening. Please check http://www.caddyinfo.com/readingcodes.html for more info on how to check them, then post your results. Bruce 2023 Cadillac CT4-V Blackwing Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
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