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Sedans Buick LeSabre Buick LeSabre Electrical/Lighting
182 messages, Last post on Sep 29, 2009 at 9:57 AM
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I have an 04 Lesabre and recently the speedometer sometimes does not work. There is no set pattern to the problem. Sometimes when I start the car it does not work and as I am driving it starts to work - the hand will slowly move up - kinda creap up on the speed that I am going. Sometimes it will stop working when I slow down. When I speed back up the hand will not go back to the speed I am going. The hand will then drop down to show no speed. Sometimes I can stop the car, turn off the ignition and restart it and it will work - sometimes this does not work. Please help. |
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Wipers will not work; not even the sound of the motor trying to work ... was told it could be a fuse and to check that first, and then if not that, them it might be some sort of cable issue. Anyone experiencing similar, and if so, what was the resolution? (I'm going to start with the fuse thing first today....) |
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I have a 1995 LeSabre. When I bought her, she had 128K miles & I noticed that she would have trouble accelerating between 45-55mph, especially on inclines. The car would shudder & you could hear the engine giving, then suddenly loosing power. This would also happen when accelerating from a dead stop. My mechanic attributed it to the fuel system, which after extensive work, did little. It was later on that he recommended replacing the spark plug wires. We tried that & the car ran beautifully for a full year. Now my car is at 139K & I'm noticing the problem is slowly returning. It is no where near as bas as before, but the symptoms are identical. Have the spark plug wires gone bad again, or are the spark plugs theme selves the problem? Please advise. Thanks!
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Replying to: bigbluebuick (Jun 06, 2008 1:37 pm) If the plugs hadn't been replaced, you may have a worse problem now after the wires were run too long. Weak wires or plugs can affect the 3 coils and weaken them. So you need to check back to see if you're just ready for your second set of plugs or if the originals are still in there!!! If that's not what's needed then you need further diagnosing. Do not replace parts by guessing. You need someone who can measure and find what's actually wrong. The poor running MIGHT be low fuel pressure. Does it run better with a full tank of gas and seem to happen more at 1/4 tank, e.g., the typical complaint? Has the fuel filter been replaced? That's probably under the passenger's foot next to the subframe if it's not in front of the right rear wheel. If you know how and have ethe wrenches to hold the soft connections without damaging them, you can replace it. Be sure to support the car on jack stands and relieve the fuel pressure first. You might have misfire from dirty battery cables. The two positives sometimes building up corrosion between them. Turn off the AC with the key ON to let it cycle off before removing battery cables. You might have poor connection at the electronic spark control module under the coils. A coil connections may be bad or the end plug may be corroded. You might have a bad coil but that would be more consistent. Others? Crankshaft position sensors go out. Camshaft position sensors go out. Crankshaft sensors typically die and won't restart till they cool. Diagnose, don't just replace and guess. You'll spend a fortune that way. Assume the easiest. Oh, the PCV valve? Has it been replaced?
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Replying to: imidazol97 (Jun 09, 2008 9:04 am) |
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How do you access the front parking signal lights on 2002 LeSabre to replace the bulbs?
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Replying to: mac71 (Jul 17, 2008 11:31 am) |
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I have an '02 LeSabre. Recently, my lighter stopped working. I noticed an irregular pattern to the glow the last time it worked and figured it was dying. However, I replaced the lighter with a new one and it also did not work. When the lighter stopped working, the accessory power plug on the other side of the ashtray stopped working as well. So, I decided to check the fuses. I couldn't be sure, but the fuse for the lighter "looked" like it was broken. So I bought a pack of 10 and plugged in a new one. The lighter and the accessory plug still do not work. I've tried all of the 10amp fuses I got and none of them seem to work. I checked the center/side of the accessory plug and the lighter adapter with a volt meter and get nothing. Also, when the car has been sitting out in the sun for a while and it gets hot inside, the fan unit for the Vent/AC won't run unless I hit the dashboard a couple of times. Any ideas? thanks
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