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Need to know where to plug my engine diagnose checker into my 91 buick lesabre

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Should be under the dash on the drivers side.

Posted on Oct 10, 2010

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1 Answer

91 buick laseber spark plug numbers


do you mean the spark plug number that you use to replace the plugs or plug gap. the plug gap is .045". the plug number you can get the plug number from the auto supply store by application.

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Getting codes from a 2000 buick lesabre


Buy yourself a OBD-II code reader, V-Checker (online) or one from Harbor Freight Tools. $50-ish range. This will let you read the stored codes and even reset the check engine light, useful when the problem has been solved. In general the Check Engine Light doesn't reset itself. The computer knows something is operating out of specifications, sets a fault code within the computer's memory and illuminates the Check Engine Light to let you know something "flipped" when it should have "flopped". (That last part if just an electronics technician's joke derived from a chip called a flip-flop, used here with jocularity to indicate a malfunction.)

Jan 15, 2012 | 2000 Buick LeSabre

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I have a 97 Buick lesabre it'll die while driving the temp, battery, and oil pressure lights all come on it usually takes the car up to an hour to start. After stopped oil pressure will go to 20-25 but...


this issue sounds like u have a bad ignition control module,located directly under ur coilpak. thats wat they do wen they get hot aftr driving a while, shut off while driving(u must b loosing spark to ur plugs)an restarting wen cooled off. one way to check this for urself would b to purchase a spark checker at autozone or pepboys fairly inexpensive, an wen ur car dies, open the hood remove one sparkplug wire install tester between plug an wire, or wire an a good ground an have someone crank engine while u look at the tester bulb,if it lights up an pulses uspark is good,if it doesnt lite up at all while cranking engine ur spark is gone an thats ur problem possibly crank a sensor or the ignition module we mentioned earlier. try mounting the spark checker before the engine dies so u know wat a good spark will look like on that checker..... hope this helps good luck

May 01, 2011 | 1997 Buick LeSabre

1 Answer

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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The check engine light is coming on my 99 buick la sabre


Take it to a local auto parts store (Autozone, Murray's, Checkers, Napa) have them hook up a scan tool to get the diagnostic codes, write them down and post them here so we can further assist you. There are many reasons that can cause the check engine light to come on.

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Check engine light came on after engine cut out on highway


do you have a code checker.....if not take your car to autozone. they will connect for free and tell you what the troublecodes are. i suspect either a cam sensor, crank sensor or even a TPS sensor
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Jun 22, 2009 | 1995 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

1 Answer

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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