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Sedans Buick LeSabre Buick LeSabre: Problem Codes/TSBs/Recalls
57 messages, Last post on Aug 26, 2009 at 10:15 AM
You are in the Buick LeSabre Forum. Your Hosts are pat & karens
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Replying to: wbernhardt (Nov 28, 2007 7:26 pm) The crankshaft sensors don't seem to throw a specific code with their erratic failures. When car doesn't start you can check the injectors by feeling them during cranking. If you touch them while the car cranks and starts normally you can feel the vibration as they work. If it doesn't do that when it won't start, you know the injectors are getting a signal from the PCM. The question about the security light was because of the VATS system that turns off the crank and the injectors if the wrong key chip resistance is detected. But if the security light isn't on but works properly during startup it's not likely a problem. It is possible for PCMs to do funny things. A neighbor had one that gave a terrible rough idle and poor running. But that was a cobbled motor (replacement) to begin with. A replacement PCM from a junkyard did fix the problem. I'll send an email with a couple of links to places you might want to read about probems and diagnosing to your carspace email box. It's the "mailbox" in the gray horizontal bar at the top of each page here on edmunds.
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Replying to: imidazol97 (Nov 29, 2007 5:13 am) |
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I have looked all over the internet, and cannot figure a way to get the "check engine light" codes. It's too old for auto zone and other do-it-yourself places, and I don't have $300 for a mechanic to tell me i need a new air filter. I know there are tricks to get the light itself to flash the codes at you, but I can't figure out how. PLEASE HELP!!! I'm a single mom who's mostly mechanically inclined, but I'm still learning. thanks
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Replying to: teachnjen23 (Jan 13, 2008 10:10 pm) Certain stores may have gotten the setup of cables to read the OBDI with their readers. Shopping for readers some will mention they have cable to adapt to the earlier ones. But lots of people still seem to have trouble. IF it can be read by using a jumper to touch the terminals A and B, here is a sketch showing how it works. Have key off. Connected between contacts labeled A and B. Then turn key on and watch the check engine light. Hope it works on your year car. Otherwise keep checking at different stores that provide free service of checking codes. Try callin different ones. E.g., one Advanced Auto may have the reader and correct cable that will read it while another one doesn't. BTW, what trouble are you having with your car that you want to read the codes? Maybe if your light is on, someone can help if there are symtoms. And remember codes only hint at the cause. Don't just replace parts because the guy at the parts counter says that's the code for a carburetor low out reading; replace the carburetor! Troubleshooting is needed to find the cause that can trip the code. Most trouble codes I've had were emissions; the gas cap was not sealing on the filler neck after putting gas it. One time a hose at the carbon cannister had started leaking at the connection. Garage fixed that one by cutting off the end and stretching the hose and reconnecting.
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| I have a 89 Buick LeSabre and the "Check Engine Soon" light is on.I tried everything I could read on about trying to aleast get the light to just go off,I will get the prblem fixed soon.It says "Code 41",which is the "Cam Sensor".Does ne 1 know where it is located and have a picture of where it is and what it look like? If there's away to get the light off'let me know.PLEASE HELP ME!!!!!!!!!!! | |
| The power windows on my buick in the front,they let down slow and go up the same,does ne 1 have ne advice on the issue,would love your feedback. | |
| What's the average cost 4 a tune-up 4 89 Buick LeSabre? | |
my 1991 buick lesabre has a knock i only hear while idling or at slow speeds 10-15 mph. the oil light also blinks on and off at times. could this be oil pump? or could it be major(bearings)?
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Replying to: vance728 (Jan 19, 2008 3:41 pm) I'd change the oil and put in 20-50 IF you're not in a cold, cold climate. I'm assuming you're using 10-30 now. You don't tell how many miles and what kind of maintenance like regular oil changes at 3000-4500 miles it's had. I'm assuming it's wear on bearings especially if it's over 150K. miles and hasn't had frequent oil changes. I'm not sure about the knock meaning since it's at low rpms only. Ask in this discussion about noise and which oil might buy some more time on the motor. Oil, a slippery subject
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