1995 Cadillac DeVille 4.9 L Check engine soon light comes on, battery voltage high. When I increase speed the head lamps get brighter when I decrease speed the head lamps get dimmer. I changed the alternator because that's what a mechanic said I needed but I still have the problen battery voltage high. Will this damage the battery or other components? Should I stop driving the car.
View 5 RepliesRecently my check engine light came on on my 98 Cadillac Deville. I went to Autozone and got a free engine diagnostic and was given a printout of a bunch of stuff I did not understand, the technician told me it was just an issue with the light, and it could be fixed with unhooking the black end of my battery for 10m. Just a little bit ago, i popped the hood, and touched the black end of the battery to see how i could unplug it. When i touched it I heard a click and now there is no power to my car. Every time i jiggle the negative end I hear a click from the right side of the engine and nothing happens. I did not even unhook the battery.
View 1 RepliesThe check coolant message comes on my message center on my 2002 Caddy Deville. I have checked this and there is plenty of coolant. Can this be repaired without removing and installing a new coolant overflow tank?
View 4 Replies1995 Cadillac DeVille Base 8Cyl 4.9L - Transmissions & Drivetrains check vehicle soon, error code p039 TCC engagement Torque Converter Clutch. I looked up what error code p039. How to correct the problem.
The problem I think is the torqure converter sensor or pcm = Powertrain Control Module / prom = Programable Read Only Memory is not working or sending the single to the computer.
The trans does not slip and drives great. Is there a chip or module I can purchase if so where. How can I find out how to repair myself if possible.
I have a 2003 Cadillac Deville with about 120,000 miles on it. The SES light came on and I had some maintenance done at STS. The light came back on the night I picked it up. I took it back the next day, they said it was related to the transmission and they do not do transmission repairs. They cleared the light and said if it came back on they could flush the transmission and maybe that would take care of the problem or they suggested I should take it to a transmission repair shop. The error codes are p0741 & p1860. Once in a while at the beginning of a drive I experience a sluggish acceleration, it does not last long( a second or 2) and then runs fine for the remainder of the drive.
View 6 RepliesMy car is idling rough and the Service Engine light blinks on/off continuously. I ran the codes and they are P0301, P0401 and P1258. What this could be? I changed the plugs, wires and ignition coils about a year ago. Catalytic converter was replaced around the same time but the O2 sensors hasn't been changed. Could that be the cause?
View 1 RepliesOver the past year I have had to replace 2 window regulators, a front motor mount, rear brake reline, new wheel engine bearing, a Plenum, and on top of all that the paint is peeling on the front bumper and the rear High Brake Lamp is cracked! Any connection between all these repairs or just my really, really bad luck?
View 9 RepliesI have a 92 Deville. I drove a pretty good distance today and on the way home stopped at the store and left the car on in the parking lot. I got in and the engine died as I tried to pull out of the lot. When I try to start the car all the lights come on but nothing happens, no clicks or anything. Lights don't even go dim. Could this be the alternator? I know that the starter suddenly dying won't cut off the engine like that. Everything seemed fine before idk what gave out?
View 6 RepliesSo, I get back from vacay and find my baby has a new issue.... the "battery" light came on just after I started it up after my 10 days away.
I can drive it seemingly ok, it did do some cool flashing and lost display and radio on one trip but now it seems not as bad.
I did a volt meter chack on the batt terminals and have 12.3 or 12.4 with key off and 14.9 with engine running. I turned on the headlights and rear defroster and get 14.6V on the terminals. 21.6A running to the main fuse block right by the rad,
My car started overheating and when I got under the hood I noticed that one of the belts was torn up pretty good. I'm guessing that this belt runs the fans or something. I am wondering what the name of this belt is and how hard it would be to replace?
The picture looks too small to be able to see it, but it's the belt on the right side of the engine block, next to the oil dipstick. The second picture loaded upside down.
My 2000 deville (which i never drive) but start up and let run decided to give a BIG problem today. I went to charge my a/c up and when I started it it was running very rough... Last week it did it also but after letting it run it smoothed out but today it stayed same and was actually worse. I drove it around the block and check engine light was flashing and car was sputtering like it didn't want to go. Sputtering out of exhaust and exhaust was getting real hot and giving off smoke from behind tires area. it was actually starting to burn my grass. I don't understand why it would do this all of a sudden. I pulled codes and this is what was there
p01571
u1040
u1064
u1192
The only code that is usually in there is the tcc code and its been for years..
My 2004 Cadillac CTS 3.6L started running rough, check engine light flashed on and off. Codes P0300 and P0303. The car has about 119000 miles. Could this just be the plugs? The car has been running fine up to today.
View 2 RepliesI am having an issue with my car not starting due to the alarm i see you can bypass but i was wondering if i have an aftermarket alarm installed would that take care of the problem.
View 9 RepliesAt times when going to start our 1998 Caddy you can turn the key and ..... nothing happens, no clicking ... nothing. Everything else works but it is like you are not even turning the key. Is there a weak spot on these cars?
I am familiar with solenoid/starter issues but this seems a bit different for some reason.
I have a 1992 Cadillac DeVille with 25,000 miles on it. It’s never been driven in the winter and garaged when not being driven.Last year, it was running rough, so I took it to the dealer. They changed the spark plugs and wires. There seemed to be some improvement after that. After about 500 miles, it started to rn rough again. I returned to the dealer who changed the spark plugs again and replaced two of the fuel injectors. Still no improvement. A few hundred miles later, I took it to a local mechanic. He replaced four more fuel injectors and there seemed to be some improvement.After another few hundred miles, the engine started to run rough again, the fuel dropped down from about 20 mpg to 10 mpg, and it stalls at traffic stops or if the brake is applied. After 30 minutes of idling it will use 5 gallons of gas. There are no strange odors or visible leakage.
View 2 RepliesHow do you replace an oxygen sensor in a 1997 Cadillac Deville? Where is it located?
View 10 Replies04 deville. Trans is stuck in gear. Or seems to be. Car is off. Crank car, starts fine so gear selector/neutral safety switch is ok? Car is running, shifter is in park, take foot off brake amd car moves forward. Since its in gear. Apply brake, shift to neu or rev and car will still move forward. The 2000 caddys had an external neutral safety switch. The 04 cars have an internal switch. If that has an bearing on discussion. Could trans shifter linkage inside trans be messed up? So spool valve in trams is always in gear but shift selector works properly so car can be started?
View 2 RepliesI recently had a lot of repair done to my 2003 cadillac: new bearings in both front wheels, new power steering line, rotors turned, cv axel replaced.I also bought new Michelin "Symmetry" tires as I am taking a long trip.
I had Toyo tires with some wear and had them rotated at another place other than my mechanic's. After that I noticed the humming noise in the front; it sounds like it is coming fron the driver's side and is most noticeable when I drive 35 or 40 mph. My mechanic said he checked everything carefully and couldn't figure out the problem.
This noise just recently started, when i go about 65mph I can hear a chirping noise from under my hood. It only happens when i go at fast speeds though.
View 2 RepliesThe motor turns over, but it will not start.
View 3 RepliesI have a 1991 Cadillac DeVille sedan with about 150,000 miles, I purchased this at an estate sale. As soon as I bought it, I replaced the spark plugs, wires, distributor cap, rotor, serpentine belt, power steering pulley, and of course changed the oil and oil filter. I was getting about 14-15 mpg (compared to 12 when I picked the car up). And the car ran good, not like brand new, but good. About a couple of weeks ago (as it started getting hot) the car would start chugging, backfiring and stalling, only after about 20 miles of driving (my commute to work is 35 mi), so I would spend the other 15 miles driving with four-ways on going at most 30 mph. But, on the drive home (at 2 am) I would have no issues. So, I got sick of that fun and changed the PVC valve and fuel filter (which looked like the original) and with every fill-up in addition to using 93 octane gas (as directed) and fuel injector cleaner, the gas mileage is around 10 mpg and the chugging persists after heating up. Two things to note,
1) the fans for the radiator do not turn on at all, and
2) the catalytic converter doesn't smell like rotten eggs.