Service engine light was on, battery went dead due to dome lights left on for @ 36 hrs, battery would not take charge, replace battery, now service engine light flashes at 20 mph, with car coasting and trans in nuetral light flashes till car gets down to 20 mph then it stays lite. Have replaced coil paks, plugs, and boots, remove battery cables an drain 12v system, no change...
Did you replace those parts based on the trouble code? Or are you just throwing parts at it? What are the codes?
http://ricksfreeautorepairadvice.com/flashing-check-engine-light-is-serious/
SOURCE: 1999 cadillac deville brake light switch
Replace the brake light switch - sticking . Hope this helps
The car is not reading the key and thinks someone is trying to steal it. Try another key or see a dealer.
SOURCE: the service engine soon light stays on i just change oil
you can try taking the positive cable off for about 3-secs and check in you owner manual to see if it tell you how and if you do have one try this website www.edmunds.com to see if you can download one for you car.
SOURCE: the service stability system light came on in my
My Service Stability System Message along with the (ABS) Brake Light lit up on my dash, what can i do to fix it...Or what does this mean ?
SOURCE: service stability system light flashes
i hav the same problem wit my 98 deville wat did u do to fix it and wat was the cheapest way. Also did u have anyother problems wit ur car during the time u were driving it wit these lights on
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