Thread: 4.3l vortec MPFI question
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08-07-2013 01:10 PM #6
If you can, feel the pump when the car is running (after some time to get stuff warmed up). I will be the change altered the return resistance and causes the pump to work extra to get the fuel back to the tank.
That's going to be nice, like the color. .
Stude M5 build