Question about 2000 Buick LeSabre

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My 2000 buick lesabre is stalling and cutting off while driving

Took back to dealership no problem found. Service engine light is not coming on. Fuel filter has been changed.

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Suspect 'mass air flow' sensor or possibly a rip in the air duct from the air filter to the throttle body. this sensor, if bad, can definitely cause stalling/rough running and is notoriously difficult to diagnose, as an intermittent failure often does not throw a code to trip the chk engine lite. the sensor is located immediately next to the air filter box and has a connector of approx 6-8 wires going into it. one quick and dirty way to elicit a problem (if there is one) is to gently rap on the metal housing of the sensor w/ the handle of a screwdriver or a small light hammer. it is advised to avoid hitting the flat plastic part on the sensor (where the wire connector is inserted) since there is sensitive silicon circuitry underneath and you could potentially break something that may not have been broken already.

Posted on Sep 29, 2009

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Ok here we go again 2000 buick lesabre . driving down road service engine light comes shortly after car stops dead. wait a few minutes usually starts back up light might go out get home fine. everyone is...


What you need to do is have the code checked for the service engine soon light.This will help in diagnosing what could be causing the vehicle to stop dead.By this I am assuming you mean it will stall.Auto Zone and some other parts stores will check the code for you for free.But the diagnosing will still need to be done to see what is causing the light to come on and make the car stall.Sometimes you may need a scan tool and a multi meter to help find the problem.Which means you may have to go to a repair shop.Hope this has helped you.Good luck.

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My 2000 Buick lesabre cuts off while driving


Your fuel pump might be going bad. The reason why it cuts off is the fuel pump is pumping just enough to run it for a x amount of time that's why it shuts off but while it's off the pump is pumping fuel into the lines. If it's not the fuel pump then it might be your injectors.

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I have a 1994 buick lesabre, it idles fine however when you drive it and come to a stop sign it either tries to cut off or dose cut off, pressing the gas pedal dose nothing at all, some times it will try...


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It NEVER was the camshaft sensor! Unless, you've removed the engine lately, which I doubt.
RUN to Advance Auto Parts and buy a can of "SeaFoam" and add to your gas tank per instructions...drive at least 100 miles and the problem should go away...IF it doesn't you'll have to replace the O2 sensors in the exhaust system...Any good mechanic should be able to do this for much less $$ than the dealership DO NOT go to the dealer for repairs!
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2000 buick lesabre- was driving and engine stalled but did not lose electrical power. tried to restart and nothing no clicking, turning over but still had power. Turned key off and tried again and car...


I had a similar situation and after some research, I discovered it was doing what many referred to as "Phantom Stalling" It would only happen once in a while and when I wanted the mechanic to see it, it never happened for him.

Keep an eye every so often on your RPM gauge (beside the speedometer) and see if it cuts out completely and does not move when you speed up (shows 0 even though your still in in drive and moving). Mine would do that and after a few minutes the car would stall and I would have a hard time starting it back up.

What I found out was that my "Crankshaft sensor" had gone bad. I picked up a new one at AutoZone and had the mechanic replace it.

My car has not stalled since Ive had the sensor replaced and I found that when I was ideling, the idle was a lot smoother than befor.

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