Question about 1991 Buick LeSabre

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Engine light and battery light come on at same time and speed up

I was driving today and the car engine light and battery light come on at same time and speed up. My car is a 1991 buick lesabre any suggestions?

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You need to Check the Belt and Belt Tensioner. If the Tensioner is not keeping the Belt Tight it will not allow the Battery to Charge and will result in the Lights among other Critical Things Going Wrong. Please Rate my Response, I need all the Help I can get! Thanks!

Posted on Jan 26, 2009

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CHECK ENGINE LIGHT BUICK LESABRE 1991


Engine lights are tied to all sorts of sensors from the emissions to the transmission. If you take it to an OReilly auto parts they will hook it up to a computer and tell you why it is on free of charge.

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1991 buick lesabre. My son said he ran throw a puddle of water and the volt and temp lights are on and its very difficult to steer. What could this be?


Volt light on indicate the altenator is not charging the battery the temp light means it's over heating and difficult steering means the power steering isn't working properly.
Common to all of these would be your serpentine belt which drives all of these items. have it replaced

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Describe how to reset check engine light codes on 91 buick lesabre


it is very simple, disconnect the battery negative cable for 5 minutes or use a scanner.

Apr 28, 2010 | 1991 Buick LeSabre

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1991 Buick LeSabre 3.8L misfire


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Feb 06, 2010 | 1991 Buick LeSabre

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I have a 91 buick lesabre and it jerks and drives rough at excess speeds of 45, the engine light comes on and i have replaced the coil pack and module, plugs wires and alternator, and throttle sensor, but...


could it possible be the o2 sensor check them out, they could clogging, and give the fuel injectors not enough of a pulse to get enough gas out for the ammount of o2

Feb 19, 2009 | 1991 Buick LeSabre

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Try changing the coil pak. I had the same car with the 3.8 engine
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91 buick lesabre


Assuming proper battery voltage; Open fusible link in engine compartment, defective ignition relay, or defective relay panel...accordianman

Dec 10, 2008 | 1991 Buick LeSabre

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