Question about 1991 Buick LeSabre

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Intermttent stalling then no start just cranking for 5-20 mins. then runs fine,sometimes can go on 200-300 mile trips or several days with no problem at all. fuel pump,camshaft+crankshaft sensors have been replaced as well as MAF sensor.

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Check the ECM if it has the number 1228253 that is your problem, these ECM's will give a shutting off problem. Get a used 16198264 and that will fix it. Buick dealer secret info.

Posted on Oct 24, 2010

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96 Benz ran out of gas other day, got it filled up & drove home (20 miles). Next day drove about 40 miles, left car running in park for about 15 min, when I left car was stalling like it was running o


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Mine was doing the sme thing-run fine then stall. restart in a few minutes and run fine for a while then shutdown. some times give codes o3oo, 1781 and 0700 but not always.
I installed a new crankshaft sensor and it solved the problem!

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