Question about 1998 Cadillac DeVille

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The service engine soon light on my 1998 Cadillac Seville concourse wont shut of. The car runs perfect. 103k miles.

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Go to auto zone and get a free OBD2 scan.. As a rule.. Make sure fluids are good and ignore that light.. Trust me on that.. that check engine lite is a money trap that the GOV put there to psychologically drain your wallet.. Dont tellem i said that

Posted on Mar 08, 2009

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Check engine light flashing check engine soon smell of gas and not running smouth


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My service engine light is on, took it was put on the machine and came back with the code po741 which was said to be a transmission problem. Took it to a transmission shop and was told that my...


Subject:
Service Engine Soon (SES) Light On, Diagnostic Trouble Code (DTC) P0741, Torque Converter Clutch (TCC) Excessive Slip, Transaxle Chuggle, Slip/Surge (Inspect/Replace Internal Transaxle Components) #04-07-30-034 - (08/06/2004)
Models:
1998-2002 Cadillac Eldorado
1998-2004 Cadillac Seville
1999-2004 Cadillac DeVille
2000-2003 Oldsmobile Aurora
there is a write up on this about 3/4 page down.

http://www.cadillacforums.com/forums/cadillac-forum/t-107360.html

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1999 cad concourse, 75,000 miles, excellent shape. have had 3 or 4 times over past 6 months: engine wont turn over. (like a dead battery but put in new one last year). dash lights, horn,security,door...


This car might not get enough exercise. By that I mean there are things that are running all the time, remote entry systems, clocks, alarm systems. You may have a new battery, but it needs to be kept up to snuff. Sitting alone in the garage with NOTHING running, the battery will lose about 1% per month in ideal circumstances. As I said, your battery is powering all kinds of things while sitting in the garage so the drain is more than the 1% I mentioned. You may want to consider a trickle charger on this car if you are not able to drive it for at least 20 miles or more per week every week.

It seems your average mileage is just under 150 per week. I'm guessing you don't drive this car much on short trips, rather the bulk of your miles were highway on trips.

If I missed the boat on this question, please add a comment and I will try again.

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1999 Cadillas Seville Shuts Down while driving


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1 Answer

How do i shut off the service soon light on my cadillac


You will have to take it to a repair shop that has an OBD I scan tool to clear the code(s), you maybe able to clear the code(s) by disconnecting the battery for about 10 - 15 min. And see if that works (depending on what type of fault code was stored to set the light). Hope this helps.

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The service engine soon light indicates you have a problem with the engine management system.The only way to get it to stay off is to lacate and repair whatever is not working correctly. Requires very specialized equipment. Take it to your mechanic.

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