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2007 buick lucerne 3.8 random stall

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Old 11-13-2017, 03:43 PM
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Default 2007 buick lucerne 3.8 random stall

i have a random stall after long road trips about 238 miles car runs good dosent stall on road . when i get to my destination i unload the car and it sits for a half hour i get in it starts no problem go to a store and when i come out and start the car it stumbles and stalls it did this twice. it fires after that but some times i have to push on the accelerator pedal to get it running .but it dosent do it all the time . im getting fuel pump pressure checked o tuesday
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Old 11-13-2017, 10:44 PM
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could be a number of things....dirty throttle body/plate....dirty IAC pintle...bad IAC or harness/wire connection....leaking fuel pressure regulator.....bad MAF or dirty sensor, etc....

Scanned for codes?
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Old 11-21-2017, 08:32 PM
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My '01 Le Sabre had the same symptoms. Replacing the 6/3 coil fixed it.

You may be lucky and need only one coil.
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