low presser fuel pump

Asked by Jun 23, 2017 at 11:00 PM about the 1986 Ford Bronco Eddie Bauer 4WD

Question type: Maintenance & Repair

how do you change the low presser fuel puymp on 1986 ford bronco2.b v6 2.9
not the one in the gas tank.

2 Answers

107,765

The one in the tank is the low pressure pump, the high pressure is the one in the frame rail. So you need to find out what pump is not running, if the low pressure or lift pump has failed sometimes it will run but just won't pull anything, all it will do is idle due to lack of enough fuel to make enough pressure to work the injectors properly.

107,765

Then there is the problems with the fuel regulator, if they go bad they will start leaking fuel into the I take manifold flooding out the engine and putting raw fuel right into the crankcase.

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