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1998 GMC Savana 2500 4.3L Surge
Posted to GM Driveability on 11/8/2008 16 Replies

Heavy surge under load, most noticeible in 2nd gear./ Idle fine,/ O2 sensors run full range and switch ok. No vac. leaks/ When EGR. is disconected no surge, runs good.

My main question is there a way to tell when the injector assy. is getting restricted or go...

16 Replies Received (View Replies)

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car Vehicle Data

1998 GMC Savana 2500

VIN 1GTFG25W2W
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CFI
EmissionsOBD-II Compliant
SymptomsSurge
OccursAlways, Under Load
Message Closed w/FIX

car Vehicle Data

1998 GMC Savana 2500

VIN 1GTFG25W2W
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CFI
EmissionsOBD-II Compliant
SymptomsSurge
OccursAlways, Under Load