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-   -   96 Lesabre would not idle. (https://www.buickforum.com/forum/lesabre-24/96-lesabre-would-not-idle-785/)

hdauler2 03-04-2007 12:46 AM



Engine would run for 5 minutes then quit if left to idle. Rpms would hold for awhile then start to fluctuate and surge then die. Did a code check with scan tool and found a P0172 meaning #1 Bank running rich.


I did find that the problem was the Fuel Pressure Regulator. Fuel in the vaccum line. Changed it out with new unit from Dealer $74.00. All is good. Just want to post this for others if they run into this kind of problem!

bassasasin 03-04-2007 09:11 PM

Great info.. Thanks for contributing...

Wonder how far it drove before it had the problem.






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