Terrible surge at hard throttle
#1
Terrible surge at hard throttle
i have an 02 lb7 i have added an a cold air, edge attitude, 4 in turbo back, the injectors were replaced about a year ago. The problem i am having is at at a hard throttle it surges something fierce i have noticed a surge at idle is all this a regulator problem and should i also install a lift pump so not to starve the pump of fuel? just looking for a point in the right direction
#5
I'm dealing with injector issues right now, but as I was doing that, I found the feul line at the left rear of the engine (where it comes up from the trans to the QD fitting) was crimped nearly shut- to the point that any suction from the fuel pump probably closed it down.
That line from GM is $405 (list), it's the complete line from the tank forward. I repaired mine with a piece of diesel fuel rated hose and a couple of clamps for $10. Carefully cut the bands that hold the coupling on, spread them apart and pull. Comes right apart.
That line from GM is $405 (list), it's the complete line from the tank forward. I repaired mine with a piece of diesel fuel rated hose and a couple of clamps for $10. Carefully cut the bands that hold the coupling on, spread them apart and pull. Comes right apart.
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