T tswag New Member Sep 7, 2020 #1 Hesitating at high end . Surging , runs great at idle Revs up good . Only under a load it’s hesitating trying to go but won’t . Thoughts ?
Hesitating at high end . Surging , runs great at idle Revs up good . Only under a load it’s hesitating trying to go but won’t . Thoughts ?
Gritzlor Member Sep 11, 2020 #2 I'd place my bet on fuel delivery. The pumps are notorious for failure and some aftermarket ones are poor. Fuel pressure gage maybe to see if it is delivering to spec. Keep updating what you try and we will get to the problem sooner or later...
I'd place my bet on fuel delivery. The pumps are notorious for failure and some aftermarket ones are poor. Fuel pressure gage maybe to see if it is delivering to spec. Keep updating what you try and we will get to the problem sooner or later...