I have a 91 K1500 with a 350. When I'm driving and its under 2k RPMs and I step on the gas pedal it starts to act like its running out gas and it has a full tank. If im easy on the throttle it doesn't happen. What could case this?
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What have you done to it? What have you already checked? What's the fuel pressure at idle?, and when you step on the gas does the fuel pressure stay constant(ish) or jump way down and not recover fast? Last fuel filter done when? Sensors tested?I have a 91 K1500 with a 350. When I'm driving and its under 2k RPMs and I step on the gas pedal it starts to act like its running out gas and it has a full tank. If im easy on the throttle it doesn't happen. What could case this?