Question about 1990 Ford F150

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1990 ford f150 cranks up but will not start - 1990 Ford F150

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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Bat1956
  • 585 Answers

SOURCE: 1990 Ford F150 won't start after running out of gas

After running out of gas, the system is still full of air/vapor. In the fuel injection system, the pump will run momentarily each time the ignition is turned on. You should be able to hear the pump. Each time the pump runs it purges some of the air through the return line back to the tank. Try turning the ignition on and off about 10 - 20 times to purge the air and vapor and fill the system back full of gas.

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Posted on Dec 19, 2008

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  • 1596 Answers

SOURCE: 1990 ford f150 cross over valve location

Please Help ME by Remembering to RATE ME Thank you Vrey Much !!!

This vehicle does not use an external fuel tank switching valve. A supply check valve in the fuel pump assembly opens when the outlet pressure from the energized fuel pump exceeds the opposing check valve spring force.


R E C A L L 1991
THE DUAL FUEL TANK SELECTOR VALVE MAY MALFUNCTION AND CAUSE AN OVERFILL CONDITION IN ONE OF THE FUEL TANKS, RESULTING IN AN OVERFLOW OF FUEL PAST THE FILLER CAP.
THE OVERFLOW OF FUEL PAST THE FILLER CAP CAUSES A FUEL LEAKAGE, WHICH CAN RESULT IN A FIRE WHEN EXPOSED TO A SOURCE OF IGNITION.
REPLACE THE DUAL FUEL TANK SELECTOR VALVE.
SYSTEM: FUEL TANK, AUXILIARY.
VANS AND LIGHT TRUCKS WITH DUAL FUEL TANKS PRODUCED IN THE FOLLOWING PERIODS: F150, F250, AND F350 LIGHT TRUCKS BUILT BETWEEN FEBRUARY 28, 1989 AND JULY, 1989; ECONOLINE BUILT BETWEEN FEBRUARY 28, 1989 AND FEBRUARY 11, 1991.
NOTE: FORD HAS AGREED TO RECALL THESE VEHICLES BUT PARTS ARE NOT YET AVAILABLE.PARTS WILL BE AVAILABLE IN DECEMBER 1991. YOU WILL RECEIVE A LETTER FROM FORD ADVISING YOU WHEN TO SCHEDULE AN APPOINTMENT WITH YOUR DEALER TO HAVE THE RECALL WORK PERFORMED. IN THE MEAN TIME, YOU CAN TAKE THE FOLLOWING PRECAUTIONS:FILL EACH TANK TO ONLY 1/3 FULL. IF YOUR VEHICLE LEAKS FUEL OR IF YOU SMELL FUEL, STOP USING THE VEHICLE AND CALL FORD AT (313) 446-4654 AND ADVISE THEM OF YOUR PROBLEM. REFER TO FORD SAFETY RECALL NUMBER 91S39. AN OPERATOR WILL TAKE YOUR NAME AND TELEPHONE NUMBER. A FORD REPRESENTATIVE WILL CALL YOU BACK

Posted on Jan 21, 2009

  • 47 Answers

SOURCE: 1990 Ford F150 won't start/Sometimes will start

The heart of the fuel/ignition system is the EEC. Other components involved are the fuel and EEC relays. You could have corroded cables causing the intermittent problem. I'd start with the relays. Remove the connector cables and spray clean the connections. If no resolution try turning the ignition switch on and off while another person feels the relays to see if they are operating (also can listen for a clicking sound from them). If all come up OK then remove the TFI connector on the distributer and clean it too. Reconnect it. A voltmeter or 12 volt circuit tester would also help by probing the various 12 volt points at the relays etc but you will need a circuit diagram to find these points as well as know how to read them. The whole point is to eliminate the least costly components first. The EEC is the most expensive component. That's why I would not replace it until I was sure it wasn't something else. Shotgunning the problem can be expensive because most parts places wont allow the return of electrical parts or will charge return fees. The EEC is a mini-computer and can be damaged by electrical surges etc.

Posted on Jun 22, 2009

junit80
  • 81 Answers

SOURCE: Dual tanks on 1990 Ford F150

It should not cause no problems but instead of removing the tank leave it in the truck take out all the fuel in the tank and jus discontinue use of it. This will save you alot of time and trouble and i also suggest that if anyone besides you drives this vehicle then i would put a locking gas cap on it so it cant be accessed at anytime except by you.

Posted on Jun 23, 2009

1991fordf150
  • 59 Answers

SOURCE: need schematics or diagram of fuse box 1990 ford f150

my email is mmcammond7576@hotmail.com and i have a 1991 f150 so the fuse boxes should be the same so i will take a pic of it and send it to you

Posted on Jun 03, 2010

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