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1990 Buick LeSabre Estate Wagon 5.0L Hesitation, Surge
Posted to GM Driveability on 6/19/2003 4 Replies

Hi everyone, Quite simply, this engine hesitates and surges because it is getting too much EGR flow. Runs great if EGR is blocked off. The valve has been replaced by a dealer last year, and supposedly they removed manifolds and cleaned everything as well. We f...

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  Related Documents & Media  1990 Buick LeSabre Estate Wagon

 
Message Closed w/Summary

car Vehicle Data

1990 Buick LeSabre Estate Wagon

VIN 1G4BR84Y0L
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryCARB
SymptomsHesitation, Surge
OccursOn Accel, Cruise
Message Closed w/Summary

car Vehicle Data

1990 Buick LeSabre Estate Wagon

VIN 1G4BR84Y0L
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryCARB
SymptomsHesitation, Surge
OccursOn Accel, Cruise