Question about Cars & Trucks
Started running bad i got two tanks i switch promblems began
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Posted on Jan 02, 2017
85 ford 350 econoline van with 460 engine and duel tanks, lost prime on both tanks, cannot get gas up to inlet on carb, it happen after having shot work on vaccum lines, i can't hear the pumps in the tanks making a buzzing noise, i hear a click when i switch from front tank to the rear tank , somewhere under the hood, on the driver side front fender, what is the next step.
Posted on Oct 07, 2009
To test the gauge,unplug the connector at the tank,the fuel gauge will go to full,then ground the wire to the fuel gauge,and the gauge should go to empty,I use a test light for grounding the circuit,to keep from grounding the wrong connector,when doing so,the test light will glow dim,and the gauge will go to empty slow.
Posted on Apr 20, 2010
Testimonial: "Great advice. The tip about using a test light was above and beyond."
There is no selector valve on a 1995 ford f150 300 engine. The selector switch on the dash sends power to the pump in the selected tank. The pump then sends fuel to the engine. If engine won't run on the selected switch, the pump in that tank needs replaced.
Posted on Oct 24, 2010
SOURCE: I have a 1990 Ford
Sound like your fuel tank selector valve is bad.it's located on the frame rail between the tanks and the filter.
Also, keep in mind that the rear in tank pump is bad. The dual function reservoir is mechanical. The pressure from the in tank pump switches the mechanical valves; the dual function reservoir serves two purposes:
1. Mechanical Selector valve for the tanks.
2. Holds extra fuel in the reservoir so if the gas tank is low on fuel and you go around a turn and the low pressure pump can't pump any fuel, the high pressure pump can still draw fuel from the reservoir.
Read this thread which explains how to test the in tank pumps: ford-trucks/88-5-0-no-start-fuel.
Keep us updated.
Posted on Feb 28, 2011
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