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6 messages,  Last post on Aug 20, 2008 at 5:57 PM

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#3 of 6 DeVille 2001 warning lights? by vladimir27 Jul 07, 2008 (12:08 pm)
How accurate are the warning dashboard lights? On my last long distance trip, it said: "service engine soon". A Cadillac dealership told me the computer points to transmission. After hearing the amount of $1250.- plus, just to find the problem, I have decided to drive home, hell or high water. After another 800 mls , I am home now, DeVille sounds perfect and the %#&^*( light is off. What is going on? Just in case: I did check my tr. oil and it is 100% full. Thanks. Replies to this message: bolivar (Jul 07, 2008 10:55 pm)
#4 of 6 Re: DeVille 2001 warning lights? [vladimir27] by bolivar Jul 07, 2008 (10:55 pm)
Replying to: vladimir27 (Jul 07, 2008 12:08 pm) Well, it could have just been an 'intermittent' error, and the dealer re-set the light, and the error did not happen again. Lucky you.   The check engine lights are usually pretty valid. One thing that will set false errors, and usually will set a whole slew of them, is a bad battery, one with low voltage. Caddys do not like low voltage (and most modern autos are the same here), and if the voltage drops to 10 or 11 volts, this might be enough to start the car, but it may set a mess of codes, make 'strange' things appear on your digital dash, make certain components do strange things, etc, etc, etc.   Your Cadillac has an extensive self diagnostic system which can easily be accessed by you. I'm not going into how to access or navigate thru this system. But, with the instructions, you can easily see the specific error 'codes' set. It will just be a number, but there are sites which will give you guidance as what general information is tied to each error code.   IF it happens again, here is a link to a site with error codes and info on how to 'get into' the diagnostic system on cadillacs   http://myweb.accessus.net/~090/dtcobd2.html   Hosts: Please do not slap my hands about this. You told me a ciuple years ago, that if a question needed additional info found on another site, it was ok to post the link. I'm hoping that is all that I've done here.
#5 of 6 DeVille2001 Warning Lights? by vladimir27 Jul 08, 2008 (5:54 am)
Thanks, bolivar. I will try the site. However since my confidence in DeVille is now big fat zero, I am thinking to replace it with Toyota or Subaru.
#6 of 6 93 fleetwood by dadstoy Aug 20, 2008 (5:57 pm)
I have owend this car for 4 years and not really had a problem ..untill now.a new fuel pump and filter were installed a year ago.now it starts fine runs for about 5-10 min then dies and will not restart.the fuel pressure is at 20 pounds while running,but when it dies or you shut it off it will not hold pressure.but when you try to start it it goes right back up to 20 pound and wont start. any ideas?

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