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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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#15 of 41 Re: 98 Deville stalling [bolivar] by 98slab Nov 06, 2008 (7:54 pm)
Replying to: bolivar (Oct 15, 2008 8:29 pm) I didn't, but thank you for the advice. I'll look into the price. I'm not a mechanic so do you think it will be better to have dealer do the work or buy the parts and take to my mechanic? Replies to this message: bolivar (Nov 07, 2008 1:16 am) mmb1982 (Nov 07, 2008 6:27 am)
#16 of 41 Re: 98 Deville stalling [98slab] by bolivar Nov 07, 2008 (1:16 am)
Replying to: 98slab (Nov 06, 2008 7:54 pm) I'm a cheep SOB, but that is something I've never had the guts to do - buy parts and ask a shop to put them on. You are basically asking him to reduce the price on the job by about 10% or more, which is his discount on the part when he buys it and charges you retail. Replies to this message: mmb1982 (Nov 07, 2008 6:27 am)
#17 of 41 Re: 03 Deville stalling [bolivar] by mmb1982 Nov 07, 2008 (6:27 am)
Replying to: bolivar (Nov 07, 2008 1:16 am) well i have changed the Crank Position Sensors. Not to mention a bunch of other things and my car still keeps stalling out. One minute its fine the next it doesnt feel like staying on. It seems like the fuel is not getting to the car. I've taken it to Cadillac but they can't find anything b/c the check engine light is not on. What else could it be ?
#18 of 41 RE: Deville Stalling by transocean1 Dec 14, 2008 (7:03 am)
I've had a 97 Deville now for 4 years. When I first got it (had 50,000 miles on it), it stalled when I was decelerating.....say from 40 MPH down to 20 or 10 MPH....I replaced the crank shaft position sensors, fuel pressure regulator, fuel filter, etc. Turned out to be the EGR valve....(it was just not functioning properly and choking off the engine). I have had no decelerating stall outs since then (going on 3 years and I'm up to 100,000 Miles).....but like most 10 year old Devilles new problems have emerged over the last couple of months (it's been a relatively quiet 3 years of driving though since so I can't totally complain). Replies to this message: transocean1 (Dec 14, 2008 7:18 am) 98slab (Dec 22, 2008 4:19 pm)
#19 of 41 97 Deville Stalling Only when Stopped (at Idle in Drive) by transocean1 Dec 14, 2008 (7:18 am)
Replying to: transocean1 (Dec 14, 2008 7:03 am) So my current issue with my 97 Deville which only occurs when it is raining (okay so I'm instantly thinking electrical system). The vehicle stalls out when I am stopped at a light...will restart right back up....and once in a while if I'm going really slow making a turn say under 5 MPH it will stall.....it definitely has to be raining outside and it has to be in drive (if I put it in park at the light it will not stall). I saw the post about checking the battery cable, grounds, and connections (all great ideas and I'm currently doing this....I think it might be the alternator connection). Was wondering if the 98 Deville that had a similar problem found anything. I have had a weird occurence which may be related (about 3 times now when I've started the car the gas cover solenoid has activated....almost like the car has lost power and the computer gets a quick surge...I believe I can replicate this by removing power from the battery and quickly reconnecting (again would point to the power / ground cables) With this the radio goes to a channel I haven't programed, but the other items don't reset (trip odometer, gas mileage etc.) The vehicle truly is in great shape and this is not a huge issue, but would be good to correct. Any thoughts or similar problems out there???? Replies to this message: 98slab (Dec 22, 2008 4:19 pm)
#20 of 41 1998 DeVille drivers window will not work by willietopz Dec 17, 2008 (9:25 am)
I have a 1998 Deville and the driver’s window stopped working. I can’t locate the fuse, the books I have talks about the fuse and relay but they don’t tell you were they are located. Is there a trick to getting the door panels off? Replies to this message: bolivar (Dec 17, 2008 6:58 pm)
#21 of 41 Re: 1998 DeVille drivers window will not work [willietopz] by bolivar Dec 17, 2008 (6:58 pm)
Replying to: willietopz (Dec 17, 2008 9:25 am) The fuses and relays are not inside the door panels, but are in the fuse boxes. Under the hood and inside the trunk. You have to take out the carpet trim and the fuses are on the left front of the trunk I think.   Removing door panel, if like my 97 - there is a screw behind the lower rear lights that turn on when the door is opened. You have to pull the lights off and there is a screw. Then pry up the panel at the front that has all the power window buttons (I think, it's been a while since I did this, it might be the seat control panel.) You must pry the panel up, then there is another large screw that can be reached. Then, there is the little triangle shaped trim piece at the front top of the panel. There is a push-in panel pin there, you gently pry around this piece until it pulls out. There are NOT push-pins all around the edge of the panel - it is retained by screws, this one pin at the top front, and it then have J hooked shaped connectors on the panel that push down into U shaped connectors in the inner door.   So, basically, when you have the screws out and the one pin out, you just pull the panel straight up and it's loose. There are all kind of electrical connectors still attached. The lights, the window controls, the speaker wires, etc, etc. And, you probably have a side AIR BAG! Before starting any of this DISCONNECT THE BATTERY! Disconnect the air bag connections from the panel. If you blow an air bag, don't blame me!   What you are trying to get to is the window motor, which is probably failed. Pull the power connector off the motor. Put a volt meter into the two wires of the connector. Reconnect the battery. Push the window button up, you should have 12+ or - volts. Push the window button down, you shoud have 12- or + volts (the reverse of what you get the other time). If you get this, the wiring and the switch and the fuse, etc are all ok. If not, start working on getting power there. If you have the correct voltages, the motor has failed.   Put a couple of strips of duct tape up the window and onto the top of the door frame. This will keep the window from falling. There are 3 bolts holding the motor in, it's real easy to remove. After bolts out, you might have to wiggle it around a little. Take the motor to any auto parts house. Check carefully that the motor sold to you is identical to the old one. At Autozone, their part numbers are messed up, I got a right hand one when I needed the left hand one, so, take the old one in. It should be about $70 or so.   Buckle it back up. Your are done. The worse part of the job is getting the door panel off a Cadillac. The motors are all bolted in and easy to remove.
#22 of 41 Stalling 98 deville by 98slab Dec 22, 2008 (11:43 am)
Well I took the car to the dealer and was told that the crank sensors were good and that the ERG was faulty. Had it changed and that still didn't fix the problem. Afterwards, the throttlebody was cleaned and they said that should do the trick, but once again it did nothing. Now I'm being told that the IAC is most likely the problem. Is there anyone who can really help me? Some of the DTC codes are: PCM P0603, IPC B1552, ACM B1341, TCS C1255, PZM B1552/1558, and MMM B2144. Most these didn't show until I disconnected the negative cable from the battery. Also they all are history codes and not current. Please help, I'm at a loss:(
#23 of 41 body control by 98slab Dec 22, 2008 (4:08 pm)
Also, can someone explain the body control module on a 1998 deville, and where it's located? Thanks!
#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.

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