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1997 GMC Yukon SL 5.7L Hesitation, Surge, Cuts out
Posted to GM Driveability on 4/7/2010 5 Replies

Hesitates and surges under load as if it had a turn signal flasher on the injectors. ECM data shows bank 1 at 0.0 ms, bank 2 at 15.3ms. I have verified this with a scope, I get a flat line at battery voltage, when the problem occurs. I have checked resistance ...

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Message Closed w/Summary

car Vehicle Data

1997 GMC Yukon SL

VIN 1GKEK13R7V
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation, Surge, Cuts Out
OccursAlways, Under Load, on Accel
Message Closed w/Summary

car Vehicle Data

1997 GMC Yukon SL

VIN 1GKEK13R7V
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation, Surge, Cuts Out
OccursAlways, Under Load, on Accel