Question about 2002 Buick LeSabre
I had this same problem two times, both were on Oldsmobiles. The first one was the throttle position switch. All the mechanics said this could not be the problem, but it certainly was. The second time I replaced just about everything I could think of that might cause this problem. Nothing helped. I noticed the mechanic was having problems communicating with the computer. So I replaced the computer and it fixed the problem.
Posted on May 25, 2009
That battery lasts very long in these cars because it sits under the back seat so
therefore the temp under the hood would make no difference,
also the thermostat should keep the temp at 190 not 216 that is much too high,
he also said the battery was tested.
i would say fuel filter, clean your maf(Mass air flow) sensor with maf cleaner!(not carb cleaner leaves a film on the resistor witch is bad) also check your coils and coil grounds allong with all your other major grounds, then start looking at all your other sensors like IAT(Inlet ait temp)
Posted on Sep 16, 2008
Have the same issue with my 2002 LeSabre. I believe an old battery is the issue; the car will start everytime and stall sometimes if the A/C is on. The car will stall most of the times if the engine temperature is over 216 degrees Fahrenheit when the radiator fans are on. I believe the battery is too feeble to carry such a charge and the car will stall before the alternator reaches the needed voltage for the relay to connect it to the car's power lines. My solution is simple and it never fails: turn the A/C off before turning off the engine and if the engine is too hot wait 2 minutes with the hood up. Or change the battery with a good one :-).
Posted on Aug 30, 2008
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