Last post on Sep 11, 2012 at 3:39 AM
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Cadillac DeVille, Lights, Electrical, Sedan
#158 of 191 1997 Cadillac deville
May 11, 2010 (9:31 am)
I recently purchased a Deville with 159000 miles. I went thru almost all the posts in the forum to check for couple of problems I have.
1. Check Engine light comes on and out at will
2. The engine stops in the middle of the road mostly when idle (traffic lights) and the oil pressure light comes on. I had to bring the car back to neutral and stop it. These days in lights I stop the car a bit back and slowly advance so that the engine is up and running.
Any help is greatly appreciated.
#159 of 191 Re: 1997 Cadillac deville [vishwaq3]
May 11, 2010 (8:43 pm)
You Cadillac will display the Check Engine code/s that have been set. You need to google Cadillac Forum/s and go to these forums, where you can find the procedures to display error codes. Then, either on these forums, or other places on the internet, you can search and find general guidelines about what codes you have set mean. This will give you some general guidance about what is wrong.
With this number of miles, there is a lot of problems the car can have. The first thing to do is get the check engine codes. You could have bad plugs and/or plug wires. The Engine Idle Sensor may be bad, or the ports in its body are plugged up. The butterfly valve for the throttle can be gooped up badly and is sticking, althought this usually gives you a high idle.
#160 of 191 Re: help please..... [calidac]
Jun 03, 2010 (5:19 pm)
I had a similar problem with a 1995 Fleetwood. It took five times to the dealer to get it fixed. It turned out to be the relay switch for the headlights.
#161 of 191 97 DeVille,,THEFT SYSTEM
Jun 18, 2010 (11:39 am)
new batt.,,no start,dash tell me,starter disabled,problem with theft system,remove key.Every time I open the drivers door the alarm goes off..tryed locking doors and unlock drivers with key,alarm goes off,tryed holding pos and neg cables togather for a min.,,no help,can some one help me,its a nice car but dead in my yard,,,Thanks to you all,Mark
#162 of 191 Re: 97 DeVille,,THEFT SYSTEM [mbosse]
Jun 18, 2010 (2:01 pm)
I had the same thing, plus check engine lights. I replace the battery and all was corrected. I got the battery from Walmart for 75.00 and they installed it, but I had to remove back seat 1st. Change the battery... hope this works for you.
#163 of 191 1997 Cadillac Deville Concours
Jul 09, 2010 (6:37 am)
my headlights stay on all the time, the only way it will go off is by pulling the fuse. Also the enterior light dont work at all. What is the cause of this?
#164 of 191 Re: 1995 Deville-4.9L-Engine Hesitation-P041 Trouble Code [tbeb]
Jul 27, 2010 (4:20 pm)
I am having a hesitation problem with my 1994 deville concourse. This doesn't occur every time that i accelerate, however, 2 out of 4 times it does. I Just had the motor manufactured and I am still having the same problems. The alternator has also been replaced. I am starting to wonder if this is an electrical problem. If anyone has any advice on what the hell i need to do I would greatly appreciate it.
#165 of 191 Re: 1995 Deville-4.9L-Engine Hesitation-P041 Trouble Code [kirainmt]
Aug 28, 2010 (1:44 pm)
I changed the ign control module, spark plug and wires and the camshaft sensor that is under the distributor cap and it still hesitates and even stalls. I also changed the fuel filter.
I am stumped. Any other suggestions out there? Please help.
#166 of 191 Re: 92 Deville Electrical Problem [chrisk2]
Aug 28, 2010 (2:00 pm)
I had the heater coming on for no reason and would not shut off even after turning off the engine. It was a bad Body Control Module. I found one at the local salvage yard for 30 dollars. It has not done that since. You must take the chip out of the old BCM and put it into the one you are going to install. The chip is unique to just your car.
The same with an ECM, you must put in the chip from the old one into the new one. Good luck.