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it looks like the fuel return to the tank and leave air in the system,pintch the return hose so the fuel won't return by itself. the fuel regulator could be defect.
Is it the sensor of air in the fuel rail. Have the fault codes read. Replace the faulty units with genuine one because most aftermarket units are not set for OEM cpu units and are not completely compatible
There is a relay in the relay bank for the fuel pump shut off/shutdown on the passenger side of the engine compartment. the computer de/energizes the relay to the fuel pump. The relay is identical to 5 or 6 of the other relays in the relay bank. I had a problem where the jeep would stall out without warning or a code. I replaced the shut off or shutodwn relay and problem was solved.
Check for an impact shutdown switch- this is to stop fuel pumping in case of an accident. Switch is probably in or around the access door on the left rear interior. I've seen this problem in a lot of vehicles, havent had the prroblem with my Sedona.\, so I don't know exact switch locatioin. If your vehicle is high milage, it could also be fuel pump failure. Check all fuses too, include the block under the hood on the left side.
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