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1991 GMC G2500 Vandura 5.7L Hesitation, Surge
Posted to GM Driveability on 9/20/2000

this van comes in with a surge at 35 after some testing i find it cuts out when powerbraking and on an easy accel found out the egr is getting full vacuum whenever you give it any throttle all scan tool readings are normal i tried a good computor & a new egr s...

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car Vehicle Data

1991 GMC G2500 Vandura

VIN 2GDEG25K2M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / efi
Emissionsusfed
SymptomsHesitation, Surge
OccursAlways
Message Closed w/FIX

car Vehicle Data

1991 GMC G2500 Vandura

VIN 2GDEG25K2M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / efi
Emissionsusfed
SymptomsHesitation, Surge
OccursAlways