Question about 2000 Buick LeSabre
1st check to see if the serpentine belt broke for the timing belt 2nd check the fuel pump by turning key a seeing if the pump makes a sound if it does that's good and 3rd if it starts a few hours and dies after a trip then your catalytic converter is clogged so put some lacquer thinner in your gas tank and fill it up and drive it around for a hour to clean out the catalytic converter
Posted on Apr 21, 2015
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Posted on Jan 02, 2017
I have a 1996 Lesabre. I had a similar problem that slowly got worse. I brought it to two different mechanics that did diagnostic checks and could only "suggest" what to replace to fix the problem. Their problem was that it wouldnt stall out while they had the mv. After replacing a bunch of sensors and the fuel pump/ filter, I solved the problem by replacing the Crank Sensor. Its located behind the lower crank pulley on the 3.8 lt motor. Hope this helps!
Posted on Oct 29, 2008
first disconnect the battery then check how the serpentine belt is lined up so u can take it off and put back on. Then the pump should be on the side of the motor with 9or12 bolts there could be more! after taking out take razorblad and skrap the old gasket clean wipe of then put new gasket and pump back on dont over tighten the screws cuase the pump my be aluminum.
Posted on Mar 19, 2009
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.
Posted on Oct 05, 2009
The rear leveling trip switch is located on driver's side near rear air shock on the frame. Check for leaks in air line.
Posted on Oct 21, 2009
kind of tricky, took me an hour to get it figured out, but you got to opend the trunk and take out the 10 or so 10mm nuts sticking out of the backside of the lid, then the whole solid piece where the lights are on the back will slide off, then you can change the bulbs above the license plate and put it all back together
Posted on Mar 20, 2010
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