Having problems with your 2002 Buick LeSabre ?

Trouble starting on a early morning start, it starts up great. when i go somewhere it has trouble starting. it tends to lag, i have to press on the pedal to give it gas, so it can start. help please

Posted / edited by AnonymousUser on : 10-12-2018

Answers :

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.
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)
Repair Help & Product Troubleshooting for 2002 Buick LeSabre

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