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Cadillac Deville Starting / Stalling Problems

41 messages,  Last post on Oct 29, 2009 at 10:28 PM

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What is this discussion about? Cadillac DeVille, Electrical, Fuel System, Sedan

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#24 of 41 Re: 97 Deville Stalling Only when Stopped (at Idle in Drive) [transocean1] by 98slab Dec 22, 2008 (4:19 pm)
Replying to: transocean1 (Dec 14, 2008 7:18 am) on the stalling on the 98, I was told to change the Idle Air control valve, but I really don't trust the dealer being that they told me it was the EGR valve and 500.00 later the problem was still there. Then they said that EGR just had to go through a reset phase which is not true. Also the throttle body was cleaned out and the problem is still there. I'm really tired of this problem and wish I could just get this resolved. Good luck on your problem and hope you find it.
#25 of 41 Northstar V8 Engine info( plus how to check codes) by 98slab Dec 22, 2008 (6:03 pm)
http://images.google.com/imgres?imgurl=www.babcox.com/editorial/us/elements/1002- 32e.gif&imgrefurl=http://www.babcox.com/editorial/us/us100232.htm&h=201&w=238&sz- =26&tbnid=yyPWmDSXxSIJ:&tbnh=87&tbnw=103&prev=/images%3Fq%3Dnorthstar%2Bengine%2- 6start%3D20%26hl%%203Den%26lr%3D%26ie%3DUTF-8%26oe%3DUTF-8%26safe%3Doff%26sa%3DN- )
#26 of 41 Stalling 98 deville by 98slab Dec 28, 2008 (7:57 pm)
no other answers on stalling Deville besides Crank Position Sensors??????????
#27 of 41 stalling 98 devilles by 98slab Dec 30, 2008 (11:42 am)
Well went out on a limb and changed the IAC valve and it seemed to have fixed the problem of the stalling. the valve is two screws and right on the side of the throttle body on top. Real quick and easy fix plus no maintenance cost on your own labor. So if there were a lot of things changed including the CPS's, change that valve and you should see the problem disappear. Remember to disconnect the neg cable from the battery for about 30 sec to reset the ECM. Good luck out there!
#28 of 41 2000 deville by tp28 Jan 26, 2009 (6:12 pm)
I have a 2000 deville.When turning key no power to starter. Checked for trouble codes, can not connect with pcm. all fuses are good
#29 of 41 Power Window Problem by br20000007 Mar 21, 2009 (11:50 am)
I have a 1998 4 door cadillac deville with Power Windows. There is a contol pannel with 4 buttons on the driveres door to control each window. I recently rolled my drivers side window down and now , when i press the button to roll it up, the window will not roll up as if it is not getting any power. The other three are working fine and getting power but not the drivers door. has this happened to anyone else and does anyone know what i need to do to fix it? I first thought that it might be a fuse, but i assume if its a bad fuse then the other three would not be getting power either?? Replies to this message: bolivar (Mar 23, 2009 12:27 am) teachtech (Aug 26, 2009 9:45 am)
#30 of 41 Re: Power Window Problem [br20000007] by bolivar Mar 23, 2009 (12:27 am)
Replying to: br20000007 (Mar 21, 2009 11:50 am) The motor probably died.
#31 of 41 96 deville / cutting out by ctshadaflood Apr 27, 2009 (7:24 pm)
This like new vehicle has just 55,000 miles and is just used once a week. For some reason while driving, the gas pedal becomes hard, then the brakes, then it will stall. after complete turn off. It will restart and not occur for another month.   any help will be appreciated Replies to this message: bolivar (Apr 28, 2009 1:14 am)
#32 of 41 Re: 96 deville / cutting out [ctshadaflood] by bolivar Apr 28, 2009 (1:14 am)
Replying to: ctshadaflood (Apr 27, 2009 7:24 pm) Crank Position Sensors.
#33 of 41 Re: Cadillac Deville: Stalling Problems by 97_deville Jun 06, 2009 (8:04 pm)
Replying to: hustla_365 (Mar 06, 2008 7:05 am) I have experienced a similar stalling problem to the OP. The car drops out of idle intermittently while in D, stopped at traffic lights. The stall is very quick and silent - no chugging or revving. I had a dead battery - drained because the running light relay had gone bad and left the lights on. So the mechanic fixed the relay and charged up the battery, and told me very confidently that my problem was fixed. I questioned his wisdom at the time, and I was (unfortunately) vindicated. As others have said after their cars were "fixed," I drove it again for a few days, then the problem re-occurred. I am told by an engineer that this is very unlikely to be a sensor problem, because no check engine light or codes. The IAC valve is the most likely culprit, so it needs to be removed and cleaned, and I will clean the throttle body at the same time. If this solves the problem, I will reply in this thread to let you all know. Replies to this message: bolivar (Jun 07, 2009 1:45 am) 97_deville (Jun 25, 2009 8:23 am) web6 (Oct 15, 2009 5:43 pm)

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