Question about 1997 Buick LeSabre

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1997 Buick LeSabre check engine light stays on

Light stays on and battery charging indicator is near the red high end.

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  • Anonymous Mar 06, 2009

    New battery on Monday. Battery charge level is near the red overcharge side, but not in the red. Check engine light came on today, several days later. Ideas?

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  • Buick Master
  • 6,674 Answers

Better check alternator before it cooks battery, or worse cooks wiring.

Posted on Feb 21, 2009

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take the car to an accredited auto electrician and have the alternator, regulator and charge system checked
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On my 1995 buick lesabra my voltage light and my bettary light stays on together


sounds like the alternator has failed. If you charge up the battery and get it running long enough you should be able to check power at the battery. you should see more than 14 volts with the engine running. also check to make sure there is battery voltage at the large wire on the back of the alternator. If both of these check out than a new alternator shoould solve your prioblem.

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The crank sensor should be on the passenger side of the engine. It probably won't be visible without first removing the power steering reservoir, and possibly other items on that side of the engine. It is located down below near the waterpump pulley.

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ABS & Brake indicator lights came on stayed on while I was driving. Brakes are working but the indicators are still on.


An ABS code scanner needs to be hooked up to it to find out what the cause is, ten to one, it might be one of the wheel speed sensors.
When road dirt and grime build up on the end of those sensors, it's not getting a true reading of the speed of the wheel and therefore sends a false signal to the computor and turns on the light.
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Brake indicator light stays on


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1997 buick lesabre, engine light stays on


The are many things that can cause your "check engine" light to stay on. One possibility is that although you have fixed the trouble code for your crankshaft position sensor, the code has not been erased from the computer's memory. Another possibility is that you have another issue going on that is causing a new trouble code to come up. You're going to need to have your car hooked up to a ODB-2 engine code reader to see what the issue is. These code readers are available for purchase at any auto parts store. In addition, many of your local auto parts stores will check trouble codes as a free service to customer. If not, many parts retailers offer the option to rent one of these code readers. Which ever way you decide to go, run a full engine/emissions trouble code check. If the only code that comes up is the code that came up previous to fixing your positioning sensor, then all you need to do is erase the trouble code from the computer's memory. (Most code readers have the option to erase trouble codes, but if you're going to rent or buy one, I would suggest that you check to make sure that the code reader that you're getting is capable of erasing trouble codes as some code readers only indicate the codes and will not remove them from your computer's memory.) If your trouble code scan reveals other codes, then you'll have to fix and erase them as they arise.

FYI- In my experience, I've noticed that 95% of the time that a check engine light/trouble code arises that it is usually an emissions problem (oxygen sensors, mass air-flow units, MAP sensors, etc.). However, General Motors products are notorious for getting trouble codes for having loose battery/ground connections and for having worn-out fuel caps. With any GM vehicle, I always check these two things first to try to save me from having to look further than I need to.

Hope this helps! I'm sure once you've scanned your cars computer and erased any existing trouble codes, that you'll stop being annoyed by your check engine light, as I know how bothersome it can be. Have a great day!

Nov 23, 2008 | 1997 Buick LeSabre

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