Question about 1988 Ford Bronco II
Replaced ecm and check fuses and relays all good...also wired fuel pumps directly and they work
Did you test the fuel pump for power to the fuel pump? If the pump is receiving the correct voltage, then the problem most likely is that the knuckleheads at Walmart fried your fuel pump also.
Posted on Nov 22, 2014
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Posted on Jan 02, 2017
try cleaning the connector that goes to the fuel pump, sometimes they corrode on inside. If that does not fix, test the wires feeding fuel pump with a multi meter until the condition shows itself again, if voltage drops to zero or very low then wiring problem, if voltage is unchanged with problem and fuel pump is not working and connectors are all clean, try replacement of fuel pump.
Posted on Oct 09, 2009
When you say the fuel pressure jumps up and down and the engine stops,then you should look for wiring problems to fuel pumps.If you jump one fuel pump from battery and it runs o/k ,than you know you have a wiring problem from relay to pump.
Posted on Nov 07, 2009
Fuse panel is located inside vehicle under dashboard on driver side. Fussible relays and links are located under the hood on the front of vehicle on drivers side.
Posted on Feb 21, 2010
check your relay and your fuel filter should be replaced every 30,000 miles
Posted on Mar 18, 2010
Testimonial: "Thank you for your help! Truck decided to run good today!"
SOURCE: no power to fuel pump
check the tan- lt green wire on the fuel relay that is located on the right fender, mine wasn't pushed in all the way, this wire shut down injectors and fuel pump, if you are looking for the shut off switch to reset the relay, it is on the passagers side floor board under the dash, gas two wires, orange and pink, I don't remember the color of the stripes, I removed this switch and wired them together without a problem
Posted on Apr 27, 2010
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