Question about 1990 Ford F150
Fuel pump locations
Dependant on your model specifics, either two or one tank assembly, the tanks themselves will have a sending unit inside. You can replace just the pumps for less but you MUST exercise care when removing reinstalling and cleaning. The orig sending unit can be brittle. The plastic parts to specify. If just trying to get a truck running, start with the rear tank, and if you cannot save the tank straps you can ratchet strap the tank to the frame to make it mobile. DONT DROP THE TANK OR LET IT HANG. While under the truck lean the back side of the tank off first and it will give access to the connections you need to remove to drop the tank
Posted on Feb 15, 2019
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Posted on Jan 02, 2017
get a code reader like the Actron CP9015 Code Scanner, 20 dollars and will flash codes. if it will not diagnose itself, the ecm must be replaced. this fixed my dads truck with the same problem
Posted on Nov 28, 2008
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
Engine Compartment fuse panel ( driver's side fender ) relay 301. Layout with numbers should be on the lid ( numbers only, not the functions ).
If you did not get an owners manual with your truck ( purchased used / lost ), you can download one from Ford in PDF format:
Makes it real quick to search for keywords.
Posted on Dec 08, 2009
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