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Sedans Cadillac DeVille Cadillac DeVille
2506 messages, Last post on Sep 27, 2009 at 12:50 AM
You are in the Cadillac DeVille Forum. Your Hosts are pat & karens
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Replying to: toneyg (Dec 31, 2007 2:47 pm) If so, there are 2 air passages in the bottom of the intake that clog with carbon and cause dirveability problems such as you are having. These passages can be seen by looking straight down into the throttle body. Use a probe or screwdriver to clean these passages and your problems might go away. Otherwise, yes, the idle control and/or throttle position control (some cars have both of these) can go bad and cause problems. I'm not sure these type problems would continue until 30/35mph. If these are the problem/s, I think replacement is rather simple, take off the old ones, put on new ones. BUT, getting them re-set so they work well is a real mess, best left to a mechanic who understands them, or has factory service manual to follow the procedures. There is also MAP sensor could be bad or the Exhaust Gas Recirculation (EGR) valve that could be also clogged or bad. Finding a mechanic with experience on this age Cadillac might be your best bet to narrow down exactly is your problem. Or, if you was to pursue it yourself, buy the factory service manual, not one of the after market ones.
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Replying to: bockscar (Dec 06, 2000 1:11 am) |
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Replying to: bolivar (Jan 02, 2008 11:27 am)  http://answers.edmunds.com/question_95_cadillac_Deville_oil_bell_housing_valve_c- overs_where_552.aspx
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Replying to: KarenS (Jan 02, 2008 3:49 pm)
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Replying to: bolivar (Jan 02, 2008 4:31 pm) 
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I have a 1989 deville, the radiator fan stays on all the time even when the key is off until the battery dies, just started doing it out off nowhere. Any help would be greatly appreciated. thanks
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Replying to: noyesfranka (Jan 06, 2008 12:50 pm) |
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Replying to: noyesfranka (Jan 06, 2008 12:50 pm) |
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1992 Cad Deville 99Kmiles runs great 19 per gal. It has a problem with stalling making right hand turns when the fuel tank gets to 5 gals or less.. It it possible that the fuel pump is on the right side and the turn depletes the gas. Has anyone else experienced this issue. I don't know if this is related - once in a blue moon the ignition will not work. It sets a few minutes and then it will engage. Anyone ever had this problem ????- The fuel pump issue should be a common one if my theory is correct. Help from anyone - Please
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Replying to: chip11 (Jan 13, 2008 7:45 am) Ignition may be as simple as the resistance 'pellet' in the key is dirty. Clean it with electrical cleaner, or buy a new key. The dealer can use your VIN or a locksmith can use a multimeter to get the pellet's resistance to be used in a new key. Or, the ignition switch itself is getting worn and/or dirty inside. I'm not sure if you should squirt electrical cleaner inside the key cylinder or not. And, there are wires that run down the steering column which are part of the secutiy system. These wires are very small, and with age can break apart. This might be starting to fail, and the security system cannot 'read' the key. You need a good mechanic with experience in working on ignition and steering column, if the problem is something more than a dirty key. |
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