Question about 2000 Buick LeSabre
one of 3 faults
1 MAF sensor also Known as air mass sensor
2 EGR valve, this is most common with the 4000 rev limit and a top speed of say 50 mph
3 air leaks or tears in air pipes or poor seals.
I would be tempted to clean both the EGR and MAF sensor before spending any money though, these parts ofetn work much lonegr when clean
need more info get back to me
Posted on Jan 03, 2011
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Posted on Jan 02, 2017
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