Jeep 5140829AC Module-Fuel Pump/Level Unit

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If you suspect insufficient fuel delivery, Inspect fuel lines for leaks. Have assistant turn ignition switch to ON and listen for fuel pump sound. If operating, proceed to pressure check. If not, check power at fuel pump connector. Check fuel pump circuit, fuses, relay, wiring, and ground circuit. If power and ground good but fuel pump still not operating, replace fuel pump. Relieve fuel pressure, attach fuel pressure gauge, start engine, and check pressure. If not within specs, check for restriction if pressure lower than specified. If higher, replace fuel pressure regulator.

Siphon all the fuel through the upper module opening into an approved gasoline container using a siphoning kit. Then, reach inside the tank, press and release the plastic lock while lifting the tab, and slide the lower section to the right side of the tank to release it from the guides in the fuel tank. Remove the lower section of the fuel pump module.