Question about 1988 Ford F 150

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I just replaced rear gas tank both fuel pumps fuel filter and coil still getting no power to pumps but everything else is fine . this is 88 fd 150 2 whl drive auto 302 fuel injection. help from anyone would help

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Check fuel pump relay then ground the pump and see if it works

Posted on Sep 07, 2010

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1997 delta 88 Fuel pump went out. We replace the fuel pump and now the car will not crank. we took the fuel filter off and there was no gas in the filter. What would cause this issue and how do we fix it.


Check for power to the fuel pump. Is it possible the old pump was fine but had no power to it? If there is no power than check the fuse and the relay. If those check out good let me know and I'll get some more info for you.

Sep 08, 2013 | 1984 Oldsmobile Delta 88

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I have a 1995 Ford F-150 with a 300 six, it has a full ffront tank and runs like it's running out of gas, I switch it to the rear tank, it runs fine.How do I fix it?


You probably have a bad fuel pump in the front tank. There are other possibilities as well. I have replaced tank switches for this reason also. You need to check for power and ground at the front tank when the switch is in the front tank position and the ignition switch is turned on.

At the wiring connector that goes up to the tank, (on the frame rail next to the tank) the power wire is the RED wire and the ground wire is the ORANGE wire. (The other wires are for your fuel gauge.)

The fuel pump relay will supply voltage to the RED wire for only about 2 or 3 seconds (to prime the fuel rail) when the ignition switch is turned to the ON position, so you will need a helper to check this.

If there is no power, then you should suspect the switch. However, check for power at the switch to verify that it is the switch and not a broken wire between the switch and the tank connector.

If power and ground are both present at the tank connector, replace the front fuel pump.

May 25, 2012 | 1986 Ford F 250

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1986 F150: Rear gas tank results in engine sputtering/dies


you are going to have to replace the in tank low pressure fuel pump, we call this the "lift" pump.

Oct 06, 2009 | 1986 Ford F150 SuperCab

2 Answers

What is wrong with 88 F-150 when it won't run on front gas tank , will run a short time, then quit, replaced pump, still same thing.


Try checking the tank selector valve under the truck in the back by the tanks, it might be bad or not operating right, or have it checked.

Jul 30, 2009 | 1988 Ford F 150

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88 F-150 stutters at speed


could possible be a bad fuel pump or a bad fules filter a dirty fuel filter can cause the same effects as a quick solution try running vehicle with dry gas when u get down to a quater tank should evaperate any water and also replace that fuel filter before a good fuel pump goes bad and will cost you alot more than a filter

Feb 10, 2009 | 1988 Ford F 150

1 Answer

88 Ford F250 rear gas tank will not work


Sounds like the rear fuel pump in the tank is not working and the float or sender is bad also. check to see if the rear pump is working should make a humming noise.

Jan 29, 2009 | 1988 Ford F 250

2 Answers

88 f 150 wont start


the most common reason for this issue is that the connection to the gas tank or tanks is rotten or disconnected that leads to the fuel pickup on the top of the tank. If so, you can buy wiring kits or a snap package that leads to the fuel pickup mounted directly above the tank. The quickest way to see if this is the problem, is to check to see if the gauge is working. If not, it's almost a sure thing.

Dec 11, 2008 | 1988 Ford F 150

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